fix(generator): delay removing streaming response until used

google-cloud-video-intelligence/src/test/java/com/google/cloud/videointelligence/v1p3beta1/MockStreamingVideoIntelligenceServiceImpl.java

@@ -60,11 +60,12 @@ public void reset() {
   @Override
   public StreamObserver<StreamingAnnotateVideoRequest> streamingAnnotateVideo(
       final StreamObserver<StreamingAnnotateVideoResponse> responseObserver) {
-    final Object response = responses.remove();
     StreamObserver<StreamingAnnotateVideoRequest> requestObserver =
         new StreamObserver<StreamingAnnotateVideoRequest>() {
           @Override
           public void onNext(StreamingAnnotateVideoRequest value) {
+            requests.add(value);
+            final Object response = responses.remove();
             if (response instanceof StreamingAnnotateVideoResponse) {
               responseObserver.onNext((StreamingAnnotateVideoResponse) response);
             } else if (response instanceof Exception) {

synth.metadata

@@ -4,15 +4,15 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-video-intelligence.git",
-        "sha": "1827e5dce4d41447ea50302e121047e767d12aed"
+        "sha": "a65905927826c82e7bdcca025e18021259e4dd1e"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "96c0db42dbcb3bb0116cfa55c054dd139ffb3912",
-        "internalRef": "305779873"
+        "sha": "28e76243c23cc282efbb288cb558c174e3e5e9ee",
+        "internalRef": "308294748"
       }
     },
     {