[fix](test) fix some test cases apache#43217 (apache#43341)

cherry pick from apache#43217

regression-test/data/external_table_p0/jdbc/test_mysql_jdbc_catalog.out

@@ -436,6 +436,15 @@ t2	text	Yes	false	\N	NONE
 varchar	varchar(65533)	Yes	true	\N	
 int_u	bigint	Yes	false	\N	NONE
 
+-- !sql --
+int_u	bigint	Yes	true	\N	
+text	varchar(65533)	Yes	true	\N	
+t2	varchar(65533)	Yes	false	\N	NONE
+
+-- !sql --
+varchar	varchar(65533)	Yes	true	\N	
+int_u	bigint	Yes	false	\N	NONE
+
 -- !sql --
 internal
 
@@ -870,3 +879,12 @@ t2	text	Yes	false	\N	NONE
 varchar	varchar(65533)	Yes	true	\N	
 int_u	bigint	Yes	false	\N	NONE
 
+-- !sql --
+int_u	bigint	Yes	true	\N	
+text	varchar(65533)	Yes	true	\N	
+t2	varchar(65533)	Yes	false	\N	NONE
+
+-- !sql --
+varchar	varchar(65533)	Yes	true	\N	
+int_u	bigint	Yes	false	\N	NONE
+

regression-test/suites/audit/test_audit_log_behavior.groovy

@@ -82,10 +82,13 @@ suite("test_audit_log_behavior") {
             sql tuple2[0]
         }
 
-        // make sure audit event is created.
-        // see WorkloadRuntimeStatusMgr.getQueryNeedAudit()
-        Thread.sleep(6000)
-        sql """call flush_audit_log()"""
+        if (on == true) {
+            // only new planner supports call flush_audit_log
+            // make sure audit event is created.
+            // see WorkloadRuntimeStatusMgr.getQueryNeedAudit()
+            Thread.sleep(6000)
+            sql """call flush_audit_log()"""
+        }
         // check result
         for (int i = 0; i < cnt; i++) {
             def tuple2 = sqls.get(i)

regression-test/suites/external_table_p0/jdbc/test_mysql_jdbc_catalog.groovy

@@ -643,6 +643,7 @@ suite("test_mysql_jdbc_catalog", "p0,external,mysql,external_docker,external_doc
         // ctas logic is different between new and old planner.
         // so need to test both.
         sql """drop catalog if exists mysql_conjuncts;"""
+        sql """set enable_nereids_planner=true"""
     }
 }