* Prevent race in TestPersistableChannelQueue
A slight race has become apparent in the TestPersistableChannelQueue.
This PR simply adds locking to prevent the race.
* make print value of "$(GOTESTFLAGS)" on test-backend and unit-test-coverage
Signed-off-by: Andrew Thornton <[email protected]>
Co-authored-by: 6543 <[email protected]>