GitLab

The test ensures that a certain amount of sends were invoked on the fake
gRPC stream, but it atomically increments it after writing to a channel
instead of first atomically incrementing and then writing to the channel
(which signals the test goroutine to asserting).

Change-Id: I1023685bfc3cf7cf33d7a18136578b3fb075fa30
Signed-off-by: yacovm <yacovm@il.ibm.com>