message: test: fix merge race in ads_integration_test.
diff: @@ -138,13 +138,13 @@ public:
  void makeSingleRequest() {
  registerTestServerPorts({"http"});
  - auto client_conn = makeClientConnection(lookupPort("http"));
  - testRouterHeaderOnlyRequestAndResponse(std::move(client_conn), true);
  + testRouterHeaderOnlyRequestAndResponse(true);
  cleanupUpstreamAndDownstream();
  fake_upstream_connection_ = nullptr;
  }
  - void initialize() {
  + void initialize() override {
  + BaseIntegrationTest::initialize();
  ads_connection_ = fake_upstreams_[1]->waitForHttpConnection(*dispatcher_);
  ads_stream_ = ads_connection_->waitForNewStream();
  ads_stream_->startGrpcStream();
  