chore(ci): find and run plugin tests

.github/workflows/run_test_cases.yaml

@@ -40,9 +40,11 @@ jobs:
         - name: run eunit
           run: |
             docker exec -i erlang bash -c "make eunit"
-            docker exec --env EMQX_EXTRA_PLUGINS=all -i erlang bash -c "./rebar3 eunit --dir lib-extra/*"
+            docker exec --env EMQX_EXTRA_PLUGINS=all -i erlang bash -c "./rebar3 eunit --dir $(find lib-extra/ -mindepth 1 -maxdepth 2 -type l | tr '\n' ',')"
         - name: run common test
-          run: docker exec -i erlang bash -c "make ct"
+          run: |
+            docker exec -i erlang bash -c "make ct"
+            docker exec --env EMQX_EXTRA_PLUGINS=all -i erlang bash -c "./rebar3 ct --dir $(find lib-extra/ -mindepth 1 -maxdepth 2 -type l | tr '\n' ',')"
         - name: run cover
           run: |
             docker exec -i erlang bash -c "make cover"