fix unit test

source/libs/parser/test/parAlterToBalanceTest.cpp

@@ -88,7 +88,7 @@ TEST_F(ParserInitialATest, alterDnode) {
  *   | REPLICA int_value                                         -- todo: enum 1, 3, default 1, unit replica
  *   | STRICT {'off' | 'on'}                                     -- todo: default 'off'
  *   | WAL_LEVEL int_value                                       -- enum 1, 2, default 1
- *   | SST_TRIGGER int_value                                     -- rang [1, 128], default 8
+ *   | SST_TRIGGER int_value                                     -- rang [1, 16], default 8
  * }
  */
 TEST_F(ParserInitialATest, alterDatabase) {
@@ -161,8 +161,8 @@ TEST_F(ParserInitialATest, alterDatabase) {
   setAlterDbFsync(200);
   setAlterDbWal(1);
   setAlterDbCacheModel(TSDB_CACHE_MODEL_LAST_ROW);
-  setAlterDbSstTrigger(20);
-  run("ALTER DATABASE test CACHEMODEL 'last_row' CACHESIZE 32 WAL_FSYNC_PERIOD 200 KEEP 10 WAL_LEVEL 1 SST_TRIGGER 20");
+  setAlterDbSstTrigger(16);
+  run("ALTER DATABASE test CACHEMODEL 'last_row' CACHESIZE 32 WAL_FSYNC_PERIOD 200 KEEP 10 WAL_LEVEL 1 SST_TRIGGER 16");
   clearAlterDbReq();
 
   initAlterDb("test");
@@ -237,7 +237,7 @@ TEST_F(ParserInitialATest, alterDatabaseSemanticCheck) {
   run("ALTER DATABASE test WAL_LEVEL 0", TSDB_CODE_PAR_INVALID_DB_OPTION);
   run("ALTER DATABASE test WAL_LEVEL 3", TSDB_CODE_PAR_INVALID_DB_OPTION);
   run("ALTER DATABASE test SST_TRIGGER 0", TSDB_CODE_PAR_INVALID_DB_OPTION);
-  run("ALTER DATABASE test SST_TRIGGER 129", TSDB_CODE_PAR_INVALID_DB_OPTION);
+  run("ALTER DATABASE test SST_TRIGGER 17", TSDB_CODE_PAR_INVALID_DB_OPTION);
   // Regardless of the specific sentence
   run("ALTER DATABASE db WAL_LEVEL 0     # td-14436", TSDB_CODE_PAR_SYNTAX_ERROR, PARSER_STAGE_PARSE);
 }