The create source tests are more interesting than the existing tests as they
create objects then wit for the flux source reconciler to complete. The tests
simulate this with a background goroutine that waits for an object to be
created then uses a test specific function to update it.
The tests set a timeout so that if there is a failure they timeout somewhat
quickly rather than hanging for a longer period of time.
Signed-off-by: Allen Porter <allen@thebends.org>
