diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b774a33c5..d49370512 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,9 +21,31 @@ jobs:
           - "~> 4.0"
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: "Set up Ruby ${{ matrix.ruby_version }}"
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby_version }}
           bundler-cache: true
+      - name: Unit Tests
+        run: bundle exec rspec
+
+  node:
+    name: "Test Frontend (Node ${{ matrix.node_version }})"
+    runs-on: "ubuntu-latest"
+    strategy:
+      fail-fast: false
+      matrix:
+        node_version: ["12"]
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+      - name: "Set up Node ${{ matrix.node_version }}"
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node_version }}
+          cache: "yarn"
+      - name: Install Dependencies
+        run: yarn install
+      - name: Build frontend and run tests
+        run: bash script/build
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 97f5a5a16..000000000
--- a/.travis.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-language: ruby
-rvm: 2.4
-before_install:
-  - nvm install 8
-  - gem update --system 3.0.6 --no-document
-install: script/bootstrap
-script: script/cibuild
-cache:
-  bundler: true
-  yarn: true
-  directories:
-    - node_modules
-env:
-  matrix:
-    - TEST_SUITE=node
-    - TEST_SUITE=ruby JEKYLL_VERSION="~> 3.8.6"
-    - TEST_SUITE=ruby JEKYLL_VERSION="~> 3.9"
-    - TEST_SUITE=ruby JEKYLL_VERSION="~> 4.0"
-after_success:
-  - npm run test:cover:CI
-branches:
-  only:
-    - master
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index f26fcf890..000000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,43 +0,0 @@
-environment:
-  nodejs_version: 8
-  RACK_ENV: test
-  JEKYLL_LOG_LEVEL: warn
-  RUBY_VERSION: 25
-  matrix:
-    - TEST_SUITE: node
-    - TEST_SUITE: ruby
-      JEKYLL_VERSION: "~> 3.8.6"
-    - TEST_SUITE: ruby
-      JEKYLL_VERSION: "~> 3.9"
-    - TEST_SUITE: ruby
-      JEKYLL_VERSION: "~> 4.0"
-
-install:
-  - set PATH=C:\Ruby%RUBY_VERSION%\bin;%PATH%
-  - ps: Install-Product node $env:nodejs_version
-  - gem update --system --no-document
-  - bundle config --local path vendor/bundle
-  - sh script/bootstrap
-
-build: off
-
-branches:
-  only:
-    - master
-
-before_test:
-  - node --version
-  - npm --version
-  - ruby -v
-  - gem -v
-  - bundle -v
-
-test_script:
-  - sh script/cibuild
-
-cache:
-  - vendor/bundle
-  - 'node_modules -> package.json' # invalidate cache if package.json changes
-
-init:
-  - git config --global core.autocrlf true
diff --git a/spec/jekyll-admin/custom_integration_spec.rb b/spec/jekyll-admin/custom_integration_spec.rb
index 24192eb38..6ee389782 100644
--- a/spec/jekyll-admin/custom_integration_spec.rb
+++ b/spec/jekyll-admin/custom_integration_spec.rb
@@ -27,7 +27,7 @@
     sleep 3
   end
 
-  after { Open3.capture2e(*stop_command) }
+  after { Open3.capture2e(*stop_command) } unless ENV["GITHUB_ACTION"]
 
   context "Jekyll site" do
     let(:path) { "/" }
diff --git a/spec/jekyll-admin/integration_spec.rb b/spec/jekyll-admin/integration_spec.rb
index 7af4f0b9f..dde567443 100644
--- a/spec/jekyll-admin/integration_spec.rb
+++ b/spec/jekyll-admin/integration_spec.rb
@@ -16,7 +16,7 @@
     sleep 3
   end
 
-  after { Open3.capture2e(*stop_command) }
+  after { Open3.capture2e(*stop_command) } unless ENV["GITHUB_ACTION"]
 
   context "Jekyll site" do
     let(:path) { "/" }
diff --git a/spec/jekyll-admin/server/data_spec.rb b/spec/jekyll-admin/server/data_spec.rb
index 313662d46..43dbf805f 100644
--- a/spec/jekyll-admin/server/data_spec.rb
+++ b/spec/jekyll-admin/server/data_spec.rb
@@ -31,7 +31,7 @@ def app
   it "gets the index" do
     get "/data"
     expect(last_response).to be_ok
-    expect(last_response_parsed[2]).to eql(base_response)
+    expect(last_response_parsed.find { |file| file["slug"] == "data_file" }).to eql(base_response)
   end
 
   it "gets an individual data file" do
diff --git a/spec/jekyll-admin/server/theme_spec.rb b/spec/jekyll-admin/server/theme_spec.rb
index b0ecba1e2..f1890bcab 100644
--- a/spec/jekyll-admin/server/theme_spec.rb
+++ b/spec/jekyll-admin/server/theme_spec.rb
@@ -57,7 +57,9 @@ def app
       get "/theme/_layouts"
       expect(last_response).to be_ok
       expect(last_response_parsed["name"]).to eq("_layouts")
-      expect(last_response_parsed["entries"].first).to eq(expected)
+      expect(
+        last_response_parsed["entries"].find { |layout| layout["name"] == "default.html" }
+      ).to eq(expected)
     end
 
     it "returns subdirectories" do
@@ -69,7 +71,9 @@ def app
       }
       get "/theme/assets/images"
       expect(last_response).to be_ok
-      expect(last_response_parsed["entries"].first).to eq(expected)
+      expect(
+        last_response_parsed["entries"].find { |img| img["name"] == "icon-dark.png" }
+      ).to eq(expected)
     end
   end