remove non relevant tests from this PR

Signed-off-by: YANGDB <[email protected]>

integ-test/src/integration/scala/org/opensearch/flint/spark/ppl/FlintSparkPPLGrokITSuite.scala

@@ -35,49 +35,7 @@ class FlintSparkPPLGrokITSuite
       job.awaitTermination()
     }
   }
-
-  test("test grok hostname | head ") {
-    val frame = sql(s"""
-         | source = $testTable| grok email '.+@%{HOSTNAME:host}'| sort host | head 5
-         | """.stripMargin)
-
-    // Retrieve the results
-    val results: Array[Row] = frame.collect()
-    // Define the expected results
-    val expectedResults: Array[Row] = Array(
-      Row("[email protected]", "anotherdomain.com"),
-      Row("[email protected]", "demo.net"),
-      Row("[email protected]", "demonstration.com"),
-      Row("[email protected]", "domain.net"),
-      Row("[email protected]", "example.com"))
-
-    // Compare the results
-    implicit val rowOrdering: Ordering[Row] = Ordering.by[Row, String](_.getAs[String](0))
-    assert(results.sorted.sameElements(expectedResults.sorted))
-
-    // Retrieve the logical plan
-    val logicalPlan: LogicalPlan = frame.queryExecution.logical
-
-    val emailAttribute = UnresolvedAttribute("email")
-    val hostExpression = Alias(
-      RegExpExtract(
-        emailAttribute,
-        Literal(
-          ".+@(?<name0>\\b(?:[0-9A-Za-z][0-9A-Za-z-]{0,62})(?:\\.(?:[0-9A-Za-z][0-9A-Za-z-]{0,62}))*(\\.?|\\b))"),
-        Literal("1")),
-      "host")()
-    val expectedPlan = Project(
-      Seq(UnresolvedStar(None)),
-      GlobalLimit(
-        Literal(1000),
-        LocalLimit(
-          Literal(1000),
-          Project(
-            Seq(emailAttribute, hostExpression, UnresolvedStar(None)),
-            UnresolvedRelation(Seq("accounts"))))))
-    assert(compareByString(expectedPlan) === compareByString(logicalPlan))
-  }
-
+
   test("test grok email expressions parsing") {
     val frame = sql(s"""
          | source = $testTable| grok email '.+@%{HOSTNAME:host}' | fields email, host