Wrapping the put_nowait in a try...except and catching the exception when the multiprocessing queue is full.  This situation is happening when running the full testing suite on MacOS where the queue limit is 32767 vs on Linux where the queue limit is unlimited.
Wrapping the put_nowait in a try...except and catching the exception when the multiprocessing queue is full.  This situation is happening when running the full testing suite on MacOS where the queue limit is 32767 vs on Linux where the queue limit is unlimited.

saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt