Move the queue check to something safer.
Move the queue check to something safer.

GTMSessionFetcher is adding a queue serializer which caused the old label check
to fail, so this should be more complete.

google/google-api-objectivec-client-for-rest,google/google-api-objectivec-client-for-rest,google/google-api-objectivec-client-for-rest,google/google-api-objectivec-client-for-rest,google/google-api-objectivec-client-for-rest