diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f600c983faac..6ba9126cf0f8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -29,8 +29,8 @@ jobs:
         os_name:
           - linux_openresty
         test_dir:
-          - t/plugin/[a-k]*.t
-          - t/stream-plugin t/plugin/[l-z]*.t
+          - t/plugin/[a-k]*.t t/plugin/dubbo-proxy
+          - t/stream-plugin t/plugin/[l-z]*.t t/plugin/proxy-cache
           - t/admin t/cli t/config-center-yaml t/control t/core t/debug t/discovery t/error_page t/http3/admin t/misc
           - t/node t/pubsub t/router t/script t/secret t/stream-node t/utils t/wasm t/xds-library t/xrpc
 
diff --git a/t/plugin/dubbo-proxy/route.t b/t/plugin/dubbo-proxy/route.t
index d21b0629e0d3..c5fb13beffd9 100644
--- a/t/plugin/dubbo-proxy/route.t
+++ b/t/plugin/dubbo-proxy/route.t
@@ -81,7 +81,7 @@ run_tests();
 
 __DATA__
 
-=== TEST 1: ignore route's dubbo configuration if dubbo is disable globally
+=== TEST 1: route referencing a globally-disabled plugin is rejected
 --- disable_dubbo
 --- apisix_yaml
 routes:
@@ -96,8 +96,11 @@ routes:
         nodes:
             "127.0.0.1:1980": 1
         type: roundrobin
+--- error_code: 404
 --- response_body
-hello world
+{"error_msg":"404 Route Not Found"}
+--- error_log
+unknown plugin [dubbo-proxy]