[fix](case)fix unstable parquet join runtime filter case. (#59557)

### What problem does this PR solve?
Problem Summary:
case from pr : #59053

Author: hubgeter

regression-test/suites/external_table_p0/hive/test_parquet_join_runtime_filter.groovy

@@ -69,7 +69,8 @@ suite("test_parquet_join_runtime_filter", "p0,external,hive,external_docker,exte
     sql "unset variable all;"
     sql "set profile_level=2;"
     sql "set enable_profile=true;"
-
+    sql " set parallel_pipeline_task_num = 1;"
+    sql " set file_split_size = 100000;"
 
     String enabled = context.config.otherConfigs.get("enableHiveTest")
     if (!"true".equalsIgnoreCase(enabled)) {