Revert #430 (#432)

* Revert "Suspend clickhouse plugin test for now (#430)"

This reverts commit 80ff07b.

Author: wu-sheng

.github/workflows/plugins-test.3.yaml

@@ -96,7 +96,7 @@ jobs:
           - oracle-scenario
           - druid-1.x-scenario
           - hikaricp-scenario
-          //- clickhouse-0.3.x-scenario
+          - clickhouse-0.3.x-scenario
           - kylin-jdbc-2.6.x-3.x-4.x-scenario
           - undertow-worker-thread-pool-scenario
           - tomcat-thread-pool-scenario