diff --git a/.github/workflows/codeql_analysis.yml b/.github/workflows/codeql_analysis.yml
index 27c4a26a6a8..8e6a0a267a5 100644
--- a/.github/workflows/codeql_analysis.yml
+++ b/.github/workflows/codeql_analysis.yml
@@ -63,12 +63,9 @@ jobs:
 
           # Install everything else we need, and configure
           sudo apt-get install -y make unzip g++ etcd-client etcd-server curl git wget
-          
+
           sudo service etcd stop
-          
-          # install JUnit report formatter
-          go install github.com/vitessio/go-junit-report@99fa7f0daf16db969f54a49139a14471e633e6e8 # HEAD
-          
+
       - name: Building binaries
         timeout-minutes: 30
         run: |
diff --git a/.github/workflows/unit_race.yml b/.github/workflows/unit_race.yml
index 453b642b6f6..812246fd3ba 100644
--- a/.github/workflows/unit_race.yml
+++ b/.github/workflows/unit_race.yml
@@ -91,9 +91,6 @@ jobs:
         go mod download
         go install golang.org/x/tools/cmd/goimports@034e59c473362f8f2be47694d98fd3f12a1ad497 # v0.39.0
 
-        # install JUnit report formatter
-        go install github.com/vitessio/go-junit-report@99fa7f0daf16db969f54a49139a14471e633e6e8 # HEAD
-
     - name: Run make tools
       if: steps.changes.outputs.unit_tests == 'true'
       run: |
@@ -127,7 +124,7 @@ jobs:
         # testing, e.g. MySQL 5.7 vs 8.0.
         export CI_DB_PLATFORM="mysql80"
 
-        make unit_test_race | tee -a output.txt | go-junit-report -set-exit-code > report.xml
+        JUNIT_OUTPUT=report.xml JSON_OUTPUT=report.json make unit_test_race
 
     - name: Record test results in launchable if PR is not a draft
       if: github.event_name == 'pull_request' && github.event.pull_request.draft == 'false' && steps.changes.outputs.unit_tests == 'true' && github.base_ref == 'main' && !cancelled()
@@ -135,15 +132,17 @@ jobs:
         # send recorded tests to launchable
         launchable record tests --build "$GITHUB_RUN_ID" go-test . || true
 
-    - name: Print test output
-      if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
-      run: |
-        # print test output
-        cat output.txt
-
     - name: Test Summary
       if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
       uses: test-summary/action@31493c76ec9e7aa675f1585d3ed6f1da69269a86 # v2.4
       with:
         paths: "report.xml"
         show: "fail"
+
+    - name: Slowest Tests
+      if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
+      run: |
+        echo '## Slowest Tests' >> "$GITHUB_STEP_SUMMARY"
+        echo '```' >> "$GITHUB_STEP_SUMMARY"
+        go tool gotestsum tool slowest --num 20 --jsonfile report.json | tee -a "$GITHUB_STEP_SUMMARY"
+        echo '```' >> "$GITHUB_STEP_SUMMARY"
diff --git a/.github/workflows/unit_race_evalengine.yml b/.github/workflows/unit_race_evalengine.yml
index 78f37a41a6a..fa20c2f2e2d 100644
--- a/.github/workflows/unit_race_evalengine.yml
+++ b/.github/workflows/unit_race_evalengine.yml
@@ -91,9 +91,6 @@ jobs:
         go mod download
         go install golang.org/x/tools/cmd/goimports@034e59c473362f8f2be47694d98fd3f12a1ad497 # v0.39.0
 
-        # install JUnit report formatter
-        go install github.com/vitessio/go-junit-report@99fa7f0daf16db969f54a49139a14471e633e6e8 # HEAD
-
     - name: Run make tools
       if: steps.changes.outputs.unit_tests == 'true'
       run: |
@@ -127,7 +124,7 @@ jobs:
         # testing, e.g. MySQL 5.7 vs 8.0.
         export CI_DB_PLATFORM="mysql80"
 
-        make unit_test_race | tee -a output.txt | go-junit-report -set-exit-code > report.xml
+        JUNIT_OUTPUT=report.xml JSON_OUTPUT=report.json make unit_test_race
 
     - name: Record test results in launchable if PR is not a draft
       if: github.event_name == 'pull_request' && github.event.pull_request.draft == 'false' && steps.changes.outputs.unit_tests == 'true' && github.base_ref == 'main' && !cancelled()
@@ -135,15 +132,17 @@ jobs:
         # send recorded tests to launchable
         launchable record tests --build "$GITHUB_RUN_ID" go-test . || true
 
-    - name: Print test output
-      if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
-      run: |
-        # print test output
-        cat output.txt
-
     - name: Test Summary
       if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
       uses: test-summary/action@31493c76ec9e7aa675f1585d3ed6f1da69269a86 # v2.4
       with:
         paths: "report.xml"
         show: "fail"
+
+    - name: Slowest Tests
+      if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
+      run: |
+        echo '## Slowest Tests' >> "$GITHUB_STEP_SUMMARY"
+        echo '```' >> "$GITHUB_STEP_SUMMARY"
+        go tool gotestsum tool slowest --num 20 --jsonfile report.json | tee -a "$GITHUB_STEP_SUMMARY"
+        echo '```' >> "$GITHUB_STEP_SUMMARY"
diff --git a/.github/workflows/unit_test_evalengine_mysql57.yml b/.github/workflows/unit_test_evalengine_mysql57.yml
index 2f744a8bc5a..36f72617554 100644
--- a/.github/workflows/unit_test_evalengine_mysql57.yml
+++ b/.github/workflows/unit_test_evalengine_mysql57.yml
@@ -91,9 +91,6 @@ jobs:
         go mod download
         go install golang.org/x/tools/cmd/goimports@034e59c473362f8f2be47694d98fd3f12a1ad497 # v0.39.0
 
-        # install JUnit report formatter
-        go install github.com/vitessio/go-junit-report@99fa7f0daf16db969f54a49139a14471e633e6e8 # HEAD
-
     - name: Run make tools
       if: steps.changes.outputs.unit_tests == 'true'
       run: |
@@ -127,7 +124,7 @@ jobs:
         # testing, e.g. MySQL 5.7 vs 8.0.
         export CI_DB_PLATFORM="mysql57"
 
-        make unit_test | tee -a output.txt | go-junit-report -set-exit-code > report.xml
+        JUNIT_OUTPUT=report.xml JSON_OUTPUT=report.json make unit_test
 
     - name: Record test results in launchable if PR is not a draft
       if: github.event_name == 'pull_request' && github.event.pull_request.draft == 'false' && steps.changes.outputs.unit_tests == 'true' && github.base_ref == 'main' && !cancelled()
@@ -135,15 +132,17 @@ jobs:
         # send recorded tests to launchable
         launchable record tests --build "$GITHUB_RUN_ID" go-test . || true
 
-    - name: Print test output
-      if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
-      run: |
-        # print test output
-        cat output.txt
-
     - name: Test Summary
       if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
       uses: test-summary/action@31493c76ec9e7aa675f1585d3ed6f1da69269a86 # v2.4
       with:
         paths: "report.xml"
         show: "fail"
+
+    - name: Slowest Tests
+      if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
+      run: |
+        echo '## Slowest Tests' >> "$GITHUB_STEP_SUMMARY"
+        echo '```' >> "$GITHUB_STEP_SUMMARY"
+        go tool gotestsum tool slowest --num 20 --jsonfile report.json | tee -a "$GITHUB_STEP_SUMMARY"
+        echo '```' >> "$GITHUB_STEP_SUMMARY"
diff --git a/.github/workflows/unit_test_evalengine_mysql80.yml b/.github/workflows/unit_test_evalengine_mysql80.yml
index a8a44c063e5..0ee5822c1e8 100644
--- a/.github/workflows/unit_test_evalengine_mysql80.yml
+++ b/.github/workflows/unit_test_evalengine_mysql80.yml
@@ -91,9 +91,6 @@ jobs:
         go mod download
         go install golang.org/x/tools/cmd/goimports@034e59c473362f8f2be47694d98fd3f12a1ad497 # v0.39.0
 
-        # install JUnit report formatter
-        go install github.com/vitessio/go-junit-report@99fa7f0daf16db969f54a49139a14471e633e6e8 # HEAD
-
     - name: Run make tools
       if: steps.changes.outputs.unit_tests == 'true'
       run: |
@@ -127,7 +124,7 @@ jobs:
         # testing, e.g. MySQL 5.7 vs 8.0.
         export CI_DB_PLATFORM="mysql80"
 
-        make unit_test | tee -a output.txt | go-junit-report -set-exit-code > report.xml
+        JUNIT_OUTPUT=report.xml JSON_OUTPUT=report.json make unit_test
 
     - name: Record test results in launchable if PR is not a draft
       if: github.event_name == 'pull_request' && github.event.pull_request.draft == 'false' && steps.changes.outputs.unit_tests == 'true' && github.base_ref == 'main' && !cancelled()
@@ -135,15 +132,17 @@ jobs:
         # send recorded tests to launchable
         launchable record tests --build "$GITHUB_RUN_ID" go-test . || true
 
-    - name: Print test output
-      if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
-      run: |
-        # print test output
-        cat output.txt
-
     - name: Test Summary
       if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
       uses: test-summary/action@31493c76ec9e7aa675f1585d3ed6f1da69269a86 # v2.4
       with:
         paths: "report.xml"
         show: "fail"
+
+    - name: Slowest Tests
+      if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
+      run: |
+        echo '## Slowest Tests' >> "$GITHUB_STEP_SUMMARY"
+        echo '```' >> "$GITHUB_STEP_SUMMARY"
+        go tool gotestsum tool slowest --num 20 --jsonfile report.json | tee -a "$GITHUB_STEP_SUMMARY"
+        echo '```' >> "$GITHUB_STEP_SUMMARY"
diff --git a/.github/workflows/unit_test_evalengine_mysql84.yml b/.github/workflows/unit_test_evalengine_mysql84.yml
index b85f24e8e3b..b1c501e971c 100644
--- a/.github/workflows/unit_test_evalengine_mysql84.yml
+++ b/.github/workflows/unit_test_evalengine_mysql84.yml
@@ -91,9 +91,6 @@ jobs:
         go mod download
         go install golang.org/x/tools/cmd/goimports@034e59c473362f8f2be47694d98fd3f12a1ad497 # v0.39.0
 
-        # install JUnit report formatter
-        go install github.com/vitessio/go-junit-report@99fa7f0daf16db969f54a49139a14471e633e6e8 # HEAD
-
     - name: Run make tools
       if: steps.changes.outputs.unit_tests == 'true'
       run: |
@@ -127,7 +124,7 @@ jobs:
         # testing, e.g. MySQL 5.7 vs 8.0.
         export CI_DB_PLATFORM="mysql84"
 
-        make unit_test | tee -a output.txt | go-junit-report -set-exit-code > report.xml
+        JUNIT_OUTPUT=report.xml JSON_OUTPUT=report.json make unit_test
 
     - name: Record test results in launchable if PR is not a draft
       if: github.event_name == 'pull_request' && github.event.pull_request.draft == 'false' && steps.changes.outputs.unit_tests == 'true' && github.base_ref == 'main' && !cancelled()
@@ -135,15 +132,17 @@ jobs:
         # send recorded tests to launchable
         launchable record tests --build "$GITHUB_RUN_ID" go-test . || true
 
-    - name: Print test output
-      if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
-      run: |
-        # print test output
-        cat output.txt
-
     - name: Test Summary
       if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
       uses: test-summary/action@31493c76ec9e7aa675f1585d3ed6f1da69269a86 # v2.4
       with:
         paths: "report.xml"
         show: "fail"
+
+    - name: Slowest Tests
+      if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
+      run: |
+        echo '## Slowest Tests' >> "$GITHUB_STEP_SUMMARY"
+        echo '```' >> "$GITHUB_STEP_SUMMARY"
+        go tool gotestsum tool slowest --num 20 --jsonfile report.json | tee -a "$GITHUB_STEP_SUMMARY"
+        echo '```' >> "$GITHUB_STEP_SUMMARY"
diff --git a/.github/workflows/unit_test_mysql57.yml b/.github/workflows/unit_test_mysql57.yml
index 3bd54059024..6924e267b59 100644
--- a/.github/workflows/unit_test_mysql57.yml
+++ b/.github/workflows/unit_test_mysql57.yml
@@ -91,9 +91,6 @@ jobs:
         go mod download
         go install golang.org/x/tools/cmd/goimports@034e59c473362f8f2be47694d98fd3f12a1ad497 # v0.39.0
 
-        # install JUnit report formatter
-        go install github.com/vitessio/go-junit-report@99fa7f0daf16db969f54a49139a14471e633e6e8 # HEAD
-
     - name: Run make tools
       if: steps.changes.outputs.unit_tests == 'true'
       run: |
@@ -127,7 +124,7 @@ jobs:
         # testing, e.g. MySQL 5.7 vs 8.0.
         export CI_DB_PLATFORM="mysql57"
 
-        make unit_test | tee -a output.txt | go-junit-report -set-exit-code > report.xml
+        JUNIT_OUTPUT=report.xml JSON_OUTPUT=report.json make unit_test
 
     - name: Record test results in launchable if PR is not a draft
       if: github.event_name == 'pull_request' && github.event.pull_request.draft == 'false' && steps.changes.outputs.unit_tests == 'true' && github.base_ref == 'main' && !cancelled()
@@ -135,15 +132,17 @@ jobs:
         # send recorded tests to launchable
         launchable record tests --build "$GITHUB_RUN_ID" go-test . || true
 
-    - name: Print test output
-      if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
-      run: |
-        # print test output
-        cat output.txt
-
     - name: Test Summary
       if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
       uses: test-summary/action@31493c76ec9e7aa675f1585d3ed6f1da69269a86 # v2.4
       with:
         paths: "report.xml"
         show: "fail"
+
+    - name: Slowest Tests
+      if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
+      run: |
+        echo '## Slowest Tests' >> "$GITHUB_STEP_SUMMARY"
+        echo '```' >> "$GITHUB_STEP_SUMMARY"
+        go tool gotestsum tool slowest --num 20 --jsonfile report.json | tee -a "$GITHUB_STEP_SUMMARY"
+        echo '```' >> "$GITHUB_STEP_SUMMARY"
diff --git a/.github/workflows/unit_test_mysql80.yml b/.github/workflows/unit_test_mysql80.yml
index 7325bc902b9..8158099c9cf 100644
--- a/.github/workflows/unit_test_mysql80.yml
+++ b/.github/workflows/unit_test_mysql80.yml
@@ -91,9 +91,6 @@ jobs:
         go mod download
         go install golang.org/x/tools/cmd/goimports@034e59c473362f8f2be47694d98fd3f12a1ad497 # v0.39.0
 
-        # install JUnit report formatter
-        go install github.com/vitessio/go-junit-report@99fa7f0daf16db969f54a49139a14471e633e6e8 # HEAD
-
     - name: Run make tools
       if: steps.changes.outputs.unit_tests == 'true'
       run: |
@@ -127,7 +124,7 @@ jobs:
         # testing, e.g. MySQL 5.7 vs 8.0.
         export CI_DB_PLATFORM="mysql80"
 
-        make unit_test | tee -a output.txt | go-junit-report -set-exit-code > report.xml
+        JUNIT_OUTPUT=report.xml JSON_OUTPUT=report.json make unit_test
 
     - name: Record test results in launchable if PR is not a draft
       if: github.event_name == 'pull_request' && github.event.pull_request.draft == 'false' && steps.changes.outputs.unit_tests == 'true' && github.base_ref == 'main' && !cancelled()
@@ -135,15 +132,17 @@ jobs:
         # send recorded tests to launchable
         launchable record tests --build "$GITHUB_RUN_ID" go-test . || true
 
-    - name: Print test output
-      if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
-      run: |
-        # print test output
-        cat output.txt
-
     - name: Test Summary
       if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
       uses: test-summary/action@31493c76ec9e7aa675f1585d3ed6f1da69269a86 # v2.4
       with:
         paths: "report.xml"
         show: "fail"
+
+    - name: Slowest Tests
+      if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
+      run: |
+        echo '## Slowest Tests' >> "$GITHUB_STEP_SUMMARY"
+        echo '```' >> "$GITHUB_STEP_SUMMARY"
+        go tool gotestsum tool slowest --num 20 --jsonfile report.json | tee -a "$GITHUB_STEP_SUMMARY"
+        echo '```' >> "$GITHUB_STEP_SUMMARY"
diff --git a/.github/workflows/unit_test_mysql84.yml b/.github/workflows/unit_test_mysql84.yml
index 45b31fb61ca..ab987c325e2 100644
--- a/.github/workflows/unit_test_mysql84.yml
+++ b/.github/workflows/unit_test_mysql84.yml
@@ -91,9 +91,6 @@ jobs:
         go mod download
         go install golang.org/x/tools/cmd/goimports@034e59c473362f8f2be47694d98fd3f12a1ad497 # v0.39.0
 
-        # install JUnit report formatter
-        go install github.com/vitessio/go-junit-report@99fa7f0daf16db969f54a49139a14471e633e6e8 # HEAD
-
     - name: Run make tools
       if: steps.changes.outputs.unit_tests == 'true'
       run: |
@@ -127,7 +124,7 @@ jobs:
         # testing, e.g. MySQL 5.7 vs 8.0.
         export CI_DB_PLATFORM="mysql84"
 
-        make unit_test | tee -a output.txt | go-junit-report -set-exit-code > report.xml
+        JUNIT_OUTPUT=report.xml JSON_OUTPUT=report.json make unit_test
 
     - name: Record test results in launchable if PR is not a draft
       if: github.event_name == 'pull_request' && github.event.pull_request.draft == 'false' && steps.changes.outputs.unit_tests == 'true' && github.base_ref == 'main' && !cancelled()
@@ -135,15 +132,17 @@ jobs:
         # send recorded tests to launchable
         launchable record tests --build "$GITHUB_RUN_ID" go-test . || true
 
-    - name: Print test output
-      if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
-      run: |
-        # print test output
-        cat output.txt
-
     - name: Test Summary
       if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
       uses: test-summary/action@31493c76ec9e7aa675f1585d3ed6f1da69269a86 # v2.4
       with:
         paths: "report.xml"
         show: "fail"
+
+    - name: Slowest Tests
+      if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
+      run: |
+        echo '## Slowest Tests' >> "$GITHUB_STEP_SUMMARY"
+        echo '```' >> "$GITHUB_STEP_SUMMARY"
+        go tool gotestsum tool slowest --num 20 --jsonfile report.json | tee -a "$GITHUB_STEP_SUMMARY"
+        echo '```' >> "$GITHUB_STEP_SUMMARY"
diff --git a/go.mod b/go.mod
index c438516adfe..0cee85073b1 100644
--- a/go.mod
+++ b/go.mod
@@ -125,10 +125,12 @@ require (
 	github.com/DataDog/go-runtime-metrics-internal v0.0.4-0.20250721125240-fdf1ef85b633 // indirect
 	github.com/DataDog/opentelemetry-mapping-go/pkg/otlp/attributes v0.29.1 // indirect
 	github.com/Masterminds/semver/v3 v3.4.0 // indirect
+	github.com/bitfield/gotestdox v0.2.2 // indirect
 	github.com/cihub/seelog v0.0.0-20170130134532-f561c5e57575 // indirect
 	github.com/cilium/ebpf v0.19.0 // indirect
 	github.com/clipperhouse/uax29/v2 v2.2.0 // indirect
 	github.com/containerd/log v0.1.0 // indirect
+	github.com/dnephin/pflag v1.0.7 // indirect
 	github.com/docker/go-units v0.5.0 // indirect
 	github.com/godbus/dbus/v5 v5.1.0 // indirect
 	github.com/google/btree v1.1.3 // indirect
@@ -150,6 +152,7 @@ require (
 	go.opentelemetry.io/otel/log v0.14.0 // indirect
 	go.yaml.in/yaml/v2 v2.4.3 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	gotest.tools/gotestsum v1.13.0 // indirect
 	k8s.io/apimachinery v0.33.4 // indirect
 )
 
@@ -269,3 +272,5 @@ require (
 )
 
 exclude github.com/DataDog/opentelemetry-mapping-go/pkg/otlp/attributes v0.33.0
+
+tool gotest.tools/gotestsum
diff --git a/go.sum b/go.sum
index c4fdefdd6fe..749f9c722ad 100644
--- a/go.sum
+++ b/go.sum
@@ -149,6 +149,8 @@ github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
+github.com/bitfield/gotestdox v0.2.2 h1:x6RcPAbBbErKLnapz1QeAlf3ospg8efBsedU93CDsnE=
+github.com/bitfield/gotestdox v0.2.2/go.mod h1:D+gwtS0urjBrzguAkTM2wodsTQYFHdpx8eqRJ3N+9pY=
 github.com/bndr/gotabulate v1.1.2 h1:yC9izuZEphojb9r+KYL4W9IJKO/ceIO8HDwxMA24U4c=
 github.com/bndr/gotabulate v1.1.2/go.mod h1:0+8yUgaPTtLRTjf49E8oju7ojpU11YmXyvq1LbPAb3U=
 github.com/buger/jsonparser v1.1.1 h1:2PnMjfWD7wBILjqQbt530v576A/cAbQvEW9gGIpYMUs=
@@ -195,6 +197,8 @@ github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8Yc
 github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
 github.com/dgryski/go-farm v0.0.0-20240924180020-3414d57e47da h1:aIftn67I1fkbMa512G+w+Pxci9hJPB8oMnkcP3iZF38=
 github.com/dgryski/go-farm v0.0.0-20240924180020-3414d57e47da/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
+github.com/dnephin/pflag v1.0.7 h1:oxONGlWxhmUct0YzKTgrpQv9AUA1wtPBn7zuSjJqptk=
+github.com/dnephin/pflag v1.0.7/go.mod h1:uxE91IoWURlOiTUIA8Mq5ZZkAv3dPUfZNaT80Zm7OQE=
 github.com/docker/go-units v0.5.0 h1:69rxXcBk27SvSaaxTtLh/8llcHD8vYHT7WSdRZ/jvr4=
 github.com/docker/go-units v0.5.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
@@ -916,6 +920,10 @@ gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gotest.tools/gotestsum v1.13.0 h1:+Lh454O9mu9AMG1APV4o0y7oDYKyik/3kBOiCqiEpRo=
+gotest.tools/gotestsum v1.13.0/go.mod h1:7f0NS5hFb0dWr4NtcsAsF0y1kzjEFfAil0HiBQJE03Q=
+gotest.tools/v3 v3.5.2 h1:7koQfIKdy+I8UTetycgUqXWSDwpgv193Ka+qRsmBY8Q=
+gotest.tools/v3 v3.5.2/go.mod h1:LtdLGcnqToBH83WByAAi/wiwSFCArdFIUV/xxN4pcjA=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 k8s.io/apimachinery v0.33.4 h1:SOf/JW33TP0eppJMkIgQ+L6atlDiP/090oaX0y9pd9s=
diff --git a/test/templates/unit_test.tpl b/test/templates/unit_test.tpl
index 23e53b3816e..572c0d95233 100644
--- a/test/templates/unit_test.tpl
+++ b/test/templates/unit_test.tpl
@@ -104,9 +104,6 @@ jobs:
         go mod download
         go install golang.org/x/tools/cmd/goimports@{{.Goimports.SHA}} # {{.Goimports.Comment}}
 
-        # install JUnit report formatter
-        go install github.com/vitessio/go-junit-report@{{.GoJunitReport.SHA}} # {{.GoJunitReport.Comment}}
-
     - name: Run make tools
       if: steps.changes.outputs.unit_tests == 'true'
       run: |
@@ -140,7 +137,7 @@ jobs:
         # testing, e.g. MySQL 5.7 vs 8.0.
         export CI_DB_PLATFORM="{{.Platform}}"
 
-        make {{if .Race}}unit_test_race{{else}}unit_test{{end}} | tee -a output.txt | go-junit-report -set-exit-code > report.xml
+        JUNIT_OUTPUT=report.xml JSON_OUTPUT=report.json make {{if .Race}}unit_test_race{{else}}unit_test{{end}}
 
     - name: Record test results in launchable if PR is not a draft
       if: github.event_name == 'pull_request' && github.event.pull_request.draft == 'false' && steps.changes.outputs.unit_tests == 'true' && github.base_ref == 'main' && !cancelled()
@@ -148,15 +145,17 @@ jobs:
         # send recorded tests to launchable
         launchable record tests --build "$GITHUB_RUN_ID" go-test . || true
 
-    - name: Print test output
-      if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
-      run: |
-        # print test output
-        cat output.txt
-
     - name: Test Summary
       if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
       uses: test-summary/action@31493c76ec9e7aa675f1585d3ed6f1da69269a86 # v2.4
       with:
         paths: "report.xml"
         show: "fail"
+
+    - name: Slowest Tests
+      if: steps.changes.outputs.unit_tests == 'true' && !cancelled()
+      run: |
+        echo '## Slowest Tests' >> "$GITHUB_STEP_SUMMARY"
+        echo '```' >> "$GITHUB_STEP_SUMMARY"
+        go tool gotestsum tool slowest --num 20 --jsonfile report.json | tee -a "$GITHUB_STEP_SUMMARY"
+        echo '```' >> "$GITHUB_STEP_SUMMARY"
diff --git a/tools/e2e_go_test.sh b/tools/e2e_go_test.sh
index bc4964ffb12..d55ec2c0553 100755
--- a/tools/e2e_go_test.sh
+++ b/tools/e2e_go_test.sh
@@ -1,4 +1,4 @@
 #!/bin/bash
 source build.env
 echo "running tests for " "$@"
-go test -v "$@" -alsologtostderr -count=1
\ No newline at end of file
+go test -v "$@" -alsologtostderr -count=1
diff --git a/tools/e2e_test_runner.sh b/tools/e2e_test_runner.sh
index 1fc5c2cb558..8d97a89bbb4 100755
--- a/tools/e2e_test_runner.sh
+++ b/tools/e2e_test_runner.sh
@@ -33,7 +33,7 @@
 source build.env
 
 if [[ -z $VT_GO_PARALLEL && -n $VT_GO_PARALLEL_VALUE ]]; then
-  VT_GO_PARALLEL="-p $VT_GO_PARALLEL_VALUE"
+	VT_GO_PARALLEL="-p $VT_GO_PARALLEL_VALUE"
 fi
 
 # All Go packages with test files.
@@ -41,29 +41,29 @@ fi
 packages_with_tests=$(go list -f '{{if len .TestGoFiles}}{{.ImportPath}} {{join .TestGoFiles " "}}{{end}}{{if len .XTestGoFiles}}{{.ImportPath}} {{join .XTestGoFiles " "}}{{end}}' ./go/.../endtoend/... | sort)
 
 # Flaky tests have the suffix "_flaky_test.go".
-all_except_flaky_and_cluster_tests=$(echo "$packages_with_tests" | grep -vE ".+ .+_flaky_test\.go" |  grep -vE "go/test/endtoend" | cut -d" " -f1)
+all_except_flaky_and_cluster_tests=$(echo "$packages_with_tests" | grep -vE ".+ .+_flaky_test\.go" | grep -vE "go/test/endtoend" | cut -d" " -f1)
 flaky_tests=$(echo "$packages_with_tests" | grep -E ".+ .+_flaky_test\.go" | grep -vE "go/test/endtoend" | cut -d" " -f1)
 
 # Run non-flaky tests.
 echo "$all_except_flaky_and_cluster_tests" | xargs go test -count=1 $VT_GO_PARALLEL
 if [ $? -ne 0 ]; then
-  echo "ERROR: Go unit tests failed. See above for errors."
-  echo
-  echo "This should NOT happen. Did you introduce a flaky unit test?"
-  echo "If so, please rename it to the suffix _flaky_test.go."
-  exit 1
+	echo "ERROR: Go unit tests failed. See above for errors."
+	echo
+	echo "This should NOT happen. Did you introduce a flaky unit test?"
+	echo "If so, please rename it to the suffix _flaky_test.go."
+	exit 1
 fi
 
 # Run flaky tests sequentially. Retry when necessary.
 for pkg in $flaky_tests; do
-  max_attempts=3
-  attempt=1
-  # Set a timeout because some tests may deadlock when they flake.
-  until go test -timeout 30s $VT_GO_PARALLEL $pkg; do
-    echo "FAILED (try $attempt/$max_attempts) in $pkg (return code $?). See above for errors."
-    if [ $((++attempt)) -gt $max_attempts ]; then
-      echo "ERROR: Flaky Go unit tests in package $pkg failed too often (after $max_attempts retries). Please reduce the flakiness."
-      exit 1
-    fi
-  done
+	max_attempts=3
+	attempt=1
+	# Set a timeout because some tests may deadlock when they flake.
+	until go test -timeout 30s $VT_GO_PARALLEL $pkg; do
+		echo "FAILED (try $attempt/$max_attempts) in $pkg (return code $?). See above for errors."
+		if [ $((++attempt)) -gt $max_attempts ]; then
+			echo "ERROR: Flaky Go unit tests in package $pkg failed too often (after $max_attempts retries). Please reduce the flakiness."
+			exit 1
+		fi
+	done
 done
diff --git a/tools/unit_test_runner.sh b/tools/unit_test_runner.sh
index 78a852e2cca..89bf18f91f1 100755
--- a/tools/unit_test_runner.sh
+++ b/tools/unit_test_runner.sh
@@ -1,30 +1,21 @@
 #!/bin/bash
 
 # Copyright 2019 The Vitess Authors.
-# 
+#
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
-# 
+#
 #     http://www.apache.org/licenses/LICENSE-2.0
-# 
+#
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# Custom Go unit test runner which runs all unit tests in parallel except for
-# known flaky unit tests.
-# Flaky unit tests are run sequentially in the second phase and retried up to
-# three times.
-
-# Why are there flaky unit tests?
-#
-# Some of the Go unit tests are inherently flaky e.g. because they use the
-# real timer implementation and might fail when things take longer as usual.
-# In particular, this happens when the system is under load and threads do not
-# get scheduled as fast as usual. Then, the expected timings do not match.
+# Custom Go unit test runner which runs all unit tests using gotestsum. Failed tests are
+# automatically retried up to 3 times to handle flaky tests.
 
 # Set VT_GO_PARALLEL variable in the same way as the Makefile does.
 # We repeat this here because this script is called directly by test.go
@@ -33,67 +24,48 @@
 source build.env
 
 if [[ -z $VT_GO_PARALLEL && -n $VT_GO_PARALLEL_VALUE ]]; then
-  VT_GO_PARALLEL="-p $VT_GO_PARALLEL_VALUE"
+	VT_GO_PARALLEL="-p $VT_GO_PARALLEL_VALUE"
 fi
 
 # Enable race detector if RACE=1
 RACE_FLAG=""
 if [[ "$RACE" == "1" ]]; then
-  RACE_FLAG="-race"
+	RACE_FLAG="-race"
 fi
 
 # Mac makes long temp directories for os.TempDir(). MySQL can't connect to
 # sockets in those directories. Tell Golang to use /tmp/vttest_XXXXXX instead.
 kernel="$(uname -s)"
 case "$kernel" in
-  darwin|Darwin)
-    TMPDIR=${TMPDIR:-}
-    if [ -z "$TMPDIR" ]; then
-      TMPDIR="$(mktemp -d /tmp/vttest_XXXXXX)"
-      export TMPDIR
-    fi
-    echo "Using temporary directory for tests: $TMPDIR"
-    ;;
+darwin | Darwin)
+	TMPDIR=${TMPDIR:-}
+	if [ -z "$TMPDIR" ]; then
+		TMPDIR="$(mktemp -d /tmp/vttest_XXXXXX)"
+		export TMPDIR
+	fi
+	echo "Using temporary directory for tests: $TMPDIR"
+	;;
 esac
 
-# All Go packages with test files.
-# Output per line: <full Go package name> <all _test.go files in the package>*
-packages_with_tests=$(go list -f '{{if len .TestGoFiles}}{{.ImportPath}} {{join .TestGoFiles " "}}{{end}}{{if len .XTestGoFiles}}{{.ImportPath}} {{join .XTestGoFiles " "}}{{end}}' ./go/... | sort)
+# All Go packages with test files, excluding endtoend tests.
+packages_with_tests=$(go list ./go/... | grep -v endtoend)
 
 if [[ "$VTEVALENGINETEST" == "1" ]]; then
-  packages_with_tests=$(echo "$packages_with_tests" | grep "evalengine")
+	packages_with_tests=$(echo "$packages_with_tests" | grep "evalengine")
 fi
 
 if [[ "$VTEVALENGINETEST" == "0" ]]; then
-  packages_with_tests=$(echo "$packages_with_tests" | grep -v "evalengine")
+	packages_with_tests=$(echo "$packages_with_tests" | grep -v "evalengine")
 fi
 
-# Flaky tests have the suffix "_flaky_test.go".
-# Exclude endtoend tests
-all_except_flaky_tests=$(echo "$packages_with_tests" | grep -vE ".+ .+_flaky_test\.go" | cut -d" " -f1 | grep -v "endtoend")
-flaky_tests=$(echo "$packages_with_tests" | grep -E ".+ .+_flaky_test\.go" | cut -d" " -f1)
-
-go test $VT_GO_PARALLEL $RACE_FLAG -v -count=1 $all_except_flaky_tests
-if [ $? -ne 0 ]; then
-  echo "ERROR: Go unit tests failed. See above for errors."
-  echo
-  echo "This should NOT happen. Did you introduce a flaky unit test?"
-  echo "If so, please rename it to the suffix _flaky_test.go."
-  exit 1
+# Build gotestsum args. Failed tests are retried up to 3 times, but if more than 10 tests fail
+# initially we skip retries to avoid wasting time on a real widespread failure.
+GOTESTSUM_ARGS="--format github-actions --rerun-fails=3 --rerun-fails-max-failures=10 --rerun-fails-run-root-test --format-hide-empty-pkg --hide-summary=skipped"
+if [[ -n "${JUNIT_OUTPUT:-}" ]]; then
+	GOTESTSUM_ARGS="$GOTESTSUM_ARGS --junitfile $JUNIT_OUTPUT"
+fi
+if [[ -n "${JSON_OUTPUT:-}" ]]; then
+	GOTESTSUM_ARGS="$GOTESTSUM_ARGS --jsonfile $JSON_OUTPUT"
 fi
 
-echo '# Flaky tests (3 attempts permitted)'
-
-# Run flaky tests sequentially. Retry when necessary.
-for pkg in $flaky_tests; do
-  max_attempts=3
-  attempt=1
-  # Set a timeout because some tests may deadlock when they flake.
-  until go test -timeout 5m $VT_GO_PARALLEL $RACE_FLAG $pkg -v -count=1; do
-    echo "FAILED (try $attempt/$max_attempts) in $pkg (return code $?). See above for errors."
-    if [ $((++attempt)) -gt $max_attempts ]; then
-      echo "ERROR: Flaky Go unit tests in package $pkg failed too often (after $max_attempts retries). Please reduce the flakiness."
-      exit 1
-    fi
-  done
-done
+go tool gotestsum $GOTESTSUM_ARGS --packages="$packages_with_tests" -- $VT_GO_PARALLEL $RACE_FLAG -count=1