test:add test case into ci

tests/parallel_test/cases.task

@@ -424,7 +424,7 @@
 ,,,system-test,python3 ./test.py -f 1-insert/test_stmt_muti_insert_query.py
 ,,,system-test,python3 ./test.py -f 1-insert/test_stmt_set_tbname_tag.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 1-insert/alter_stable.py
-#,,y,system-test,./pytest.sh python3 ./test.py -f 1-insert/alter_table.py
+,,y,system-test,./pytest.sh python3 ./test.py -f 1-insert/alter_table.py
 ,,n,system-test,python3 ./test.py -f 1-insert/boundary.py
 ,,n,system-test,python3 ./test.py -f 1-insert/insertWithMoreVgroup.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 1-insert/table_comment.py