diff --git a/integ-test/src/test/java/org/opensearch/sql/correctness/tests/TestReportTest.java b/integ-test/src/test/java/org/opensearch/sql/correctness/tests/TestReportTest.java
index 515394c705..17d6467421 100644
--- a/integ-test/src/test/java/org/opensearch/sql/correctness/tests/TestReportTest.java
+++ b/integ-test/src/test/java/org/opensearch/sql/correctness/tests/TestReportTest.java
@@ -69,17 +69,46 @@ public void testFailedReport() {
     JSONObject actual = new JSONObject(report);
     JSONObject expected =
         new JSONObject(
-            "{  \"summary\": {    \"total\": 1,    \"success\": 0,    \"failure\": 1  }, "
-                + " \"tests\": [    {      \"id\": 1,      \"result\": 'Failed',      \"sql\":"
-                + " \"SELECT * FROM accounts\",      \"explain\": \"Data row at [0] is different:"
-                + " this=[Row(values=[world])], other=[Row(values=[hello])]\",      \"errors\":"
-                + " \"[SQLITE_ERROR] SQL error or missing database;\",      \"resultSets\": [      "
-                + "  {          \"database\": \"H2\",          \"schema\": [            {          "
-                + "    \"name\": \"firstName\",              \"type\": \"text\"            }       "
-                + "   ],          \"dataRows\": [[\"world\"]]        },        {         "
-                + " \"database\": \"OpenSearch\",          \"schema\": [            {             "
-                + " \"name\": \"firstName\",              \"type\": \"text\"            }         "
-                + " ],          \"dataRows\": [[\"hello\"]]        }      ]    }  ]}");
+            "{"
+                + "  \"summary\": {"
+                + "    \"total\": 1,"
+                + "    \"success\": 0,"
+                + "    \"failure\": 1"
+                + "  },"
+                + "  \"tests\": ["
+                + "    {"
+                + "      \"id\": 1,"
+                + "      \"result\": 'Failed',"
+                + "      \"sql\": \"SELECT * FROM accounts\","
+                + "      \"explain\": \"Data row at [0] is different: "
+                + "                   this=[Row(values=[world])], "
+                + "                   other=[Row(values=[hello])]\","
+                + "      \"errors\": \"[SQLITE_ERROR] SQL error or missing database;\","
+                + "      \"resultSets\": ["
+                + "        {"
+                + "          \"database\": \"H2\","
+                + "          \"schema\": ["
+                + "            {"
+                + "              \"name\": \"firstName\","
+                + "              \"type\": \"text\""
+                + "            }"
+                + "          ],"
+                + "          \"dataRows\": [[\"world\"]]"
+                + "        },"
+                + "        {"
+                + "          \"database\": \"OpenSearch\","
+                + "          \"schema\": ["
+                + "            {"
+                + "              \"name\": \"firstName\","
+                + "              \"type\": \"text\""
+                + "            }"
+                + "          ],"
+                + "          \"dataRows\": [[\"hello\"]]"
+                + "        }"
+                + "      ]"
+                + "    }"
+                + "  ]"
+                + "}");
 
     if (!actual.similar(expected)) {
       fail("Actual JSON is different from expected: " + actual.toString(2));
diff --git a/integ-test/src/test/java/org/opensearch/sql/legacy/TestUtils.java b/integ-test/src/test/java/org/opensearch/sql/legacy/TestUtils.java
index e02de782b4..1abc1d6183 100644
--- a/integ-test/src/test/java/org/opensearch/sql/legacy/TestUtils.java
+++ b/integ-test/src/test/java/org/opensearch/sql/legacy/TestUtils.java
@@ -53,7 +53,8 @@ public static void createIndexByRestClient(RestClient client, String indexName,
   }
 
   /**
-   * https://github.com/elastic/elasticsearch/pull/49959 Deprecate creation of dot-prefixed index
+   * https://github.com/elastic/elasticsearch/pull/49959<br>
+   * Deprecate creation of dot-prefixed index
    * names except for hidden and system indices. Create hidden index by REST client.
    *
    * @param client client connection
diff --git a/integ-test/src/test/java/org/opensearch/sql/ppl/SystemFunctionIT.java b/integ-test/src/test/java/org/opensearch/sql/ppl/SystemFunctionIT.java
index 565c267f7f..d2cd140e99 100644
--- a/integ-test/src/test/java/org/opensearch/sql/ppl/SystemFunctionIT.java
+++ b/integ-test/src/test/java/org/opensearch/sql/ppl/SystemFunctionIT.java
@@ -29,9 +29,12 @@ public void typeof_sql_types() throws IOException {
     JSONObject response =
         executeQuery(
             String.format(
-                "source=%s | eval `str` = typeof('pewpew'), `double` = typeof(1.0),`int` ="
-                    + " typeof(12345), `long` = typeof(1234567891011), `interval` = typeof(INTERVAL"
-                    + " 2 DAY) | fields `str`, `double`, `int`, `long`, `interval`",
+                "source=%s | eval `str` = typeof('pewpew'),"
+                    + " `double` = typeof(1.0),"
+                    + "`int` = typeof(12345),"
+                    + " `long` = typeof(1234567891011),"
+                    + " `interval` = typeof(INTERVAL 2 DAY)"
+                    + "  | fields `str`, `double`, `int`, `long`, `interval`",
                 TEST_INDEX_DATATYPE_NUMERIC));
     // TODO: test null in PPL
     verifyDataRows(response, rows("KEYWORD", "DOUBLE", "INTEGER", "LONG", "INTERVAL"));
diff --git a/integ-test/src/test/java/org/opensearch/sql/util/TestUtils.java b/integ-test/src/test/java/org/opensearch/sql/util/TestUtils.java
index bafc213e29..ac5cee118c 100644
--- a/integ-test/src/test/java/org/opensearch/sql/util/TestUtils.java
+++ b/integ-test/src/test/java/org/opensearch/sql/util/TestUtils.java
@@ -56,7 +56,8 @@ public static void createIndexByRestClient(RestClient client, String indexName,
   }
 
   /**
-   * https://github.com/elastic/elasticsearch/pull/49959 Deprecate creation of dot-prefixed index
+   * https://github.com/elastic/elasticsearch/pull/49959<br>
+   * Deprecate creation of dot-prefixed index
    * names except for hidden and system indices. Create hidden index by REST client.
    *
    * @param client client connection