Enable tests in RemoveRedundantProjectsSuite.scala related to apache#242 (apache#1838)

Author: rishvin

dev/diffs/3.5.5.diff

@@ -1189,7 +1189,7 @@ index 9e9d717db3b..c1a7caf56e0 100644
  package org.apache.spark.sql.execution
 
 -import org.apache.spark.sql.{DataFrame, QueryTest, Row}
-+import org.apache.spark.sql.{DataFrame, IgnoreComet, QueryTest, Row}
++import org.apache.spark.sql.{DataFrame, QueryTest, Row}
 +import org.apache.spark.sql.comet.CometProjectExec
  import org.apache.spark.sql.connector.SimpleWritableDataSource
  import org.apache.spark.sql.execution.adaptive.{AdaptiveSparkPlanHelper, DisableAdaptiveExecutionSuite, EnableAdaptiveExecutionSuite}
@@ -1206,13 +1206,12 @@ index 9e9d717db3b..c1a7caf56e0 100644
        assert(actual == expected)
      }
    }
-@@ -112,7 +116,8 @@ abstract class RemoveRedundantProjectsSuiteBase
+@@ -112,7 +116,7 @@ abstract class RemoveRedundantProjectsSuiteBase
      assertProjectExec(query, 1, 3)
    }
 
 -  test("join with ordering requirement") {
-+  test("join with ordering requirement",
-+    IgnoreComet("TODO: Support SubqueryBroadcastExec in Comet: #242")) {
++  test("join with ordering requirement") {
      val query = "select * from (select key, a, c, b from testView) as t1 join " +
        "(select key, a, b, c from testView) as t2 on t1.key = t2.key where t2.a > 50"
      assertProjectExec(query, 2, 2)