Update code

Author: beliefer

sql/core/src/test/scala/org/apache/spark/sql/execution/WholeStageCodegenSuite.scala

@@ -445,7 +445,7 @@ class WholeStageCodegenSuite extends QueryTest with SharedSparkSession
             "GROUP BY k").foreach { query =>
           val e = intercept[Exception] {
             sql(query).collect
-          }.getCause
+          }
           assert(e.isInstanceOf[IllegalStateException])
           assert(e.getMessage.contains(expectedErrMsg))
         }

sql/core/src/test/scala/org/apache/spark/sql/execution/adaptive/AdaptiveQueryExecSuite.scala

@@ -760,7 +760,7 @@ class AdaptiveQueryExecSuite
         val error = intercept[Exception] {
           aggregated.count()
         }
-        assert(error.getCause().toString contains "Invalid bucket file")
+        assert(error.toString contains "Invalid bucket file")
         assert(error.getSuppressed.size === 0)
       }
     }

sql/core/src/test/scala/org/apache/spark/sql/sources/BucketedReadSuite.scala

@@ -813,7 +813,7 @@ abstract class BucketedReadSuite extends QueryTest with SQLTestUtils with Adapti
         aggregated.count()
       }
 
-      assert(error.getCause().toString contains "Invalid bucket file")
+      assert(error.toString contains "Invalid bucket file")
     }
   }