test(ws): Responses WebSocket 端到端套件接入 CI

补齐 aether-integration-tests 的 responses_websocket_e2e 集成测试，
并把 CI 的 scenario 任务从 --bins 改为 --bins --tests，否则该套件
不会被执行。

.github/workflows/rust-ci.yml

@@ -387,11 +387,11 @@ jobs:
       - name: Setup sccache
         uses: mozilla-actions/sccache-action@v0.0.9
 
-      - name: Test scenario binaries
+      - name: Test scenario binaries and end-to-end suites
         env:
           RUSTC_WRAPPER: sccache
           SCCACHE_GHA_ENABLED: "true"
-        run: cargo test -p aether-integration-tests --bins
+        run: cargo test -p aether-integration-tests --bins --tests
 
       - name: Show sccache stats
         if: always()