fix: add join multi table test case

tests/script/jenkins/basic.txt

@@ -131,7 +131,7 @@
 ./test.sh -f tsim/parser/insert_tb.sim
 # TD-17038 ./test.sh -f tsim/parser/interp.sim
 ./test.sh -f tsim/parser/join_manyblocks.sim
-# TD-18018 ./test.sh -f tsim/parser/join_multitables.sim
+./test.sh -f tsim/parser/join_multitables.sim
 ./test.sh -f tsim/parser/join_multivnode.sim
 ./test.sh -f tsim/parser/join.sim
 ./test.sh -f tsim/parser/last_cache.sim