[BUG] Spark-4.0: Tests failures in AdaptiveQueryExecSuite

[nartal1]

Describe the bug
Below unit tests(scala tests) are failing in AdaptiveQueryExecSuite

1. - Change merge join to broadcast join without local shuffle reader *** FAILED ***
  org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage 121.0 failed 1 times, most recent failure: Lost task 0.0 in stage 121.0 (TID 214) (10.110.46.105 executor driver): com.nvidia.spark.rapids.jni.CastException: Error casting data on row 0: z
	at com.nvidia.spark.rapids.jni.CastStrings.toInteger(Native Method)
	at com.nvidia.spark.rapids.jni.CastStrings.toInteger(CastStrings.java:50)

2. - SPARK-35585: Support propagate empty relation through project/filter *** FAILED ***
  java.lang.IllegalArgumentException: Part of the plan is not columnar class org.apache.spark.sql.execution.EmptyRelationExec
EmptyRelation [plan_id=6851]
+- Project [key#372]
   +- EmptyRelation Sort [key#372 ASC NULLS FIRST, value#373 ASC NULLS FIRST], true
  at com.nvidia.spark.rapids.GpuTransitionOverrides.assertIsOnTheGpu(GpuTransitionOverrides.scala:671)

Steps/Code to reproduce bug

mvn package -f scala2.13/pom.xml -pl tests -am -Dbuildver=400 -Dsuffixes=".*AdaptiveQueryExecSuite"