Optimize notification emails specs
What does this MR do?
This MR optimizes some specs for notification emails.
Before:
Finished in 1 minute 40.79 seconds (files took 0.94382 seconds to load)
368 examples, 0 failures, 358 projects created
After:
Finished in 48.83 seconds (files took 0.94741 seconds to load)
362 examples, 0 failures, 55 projects created
Almost one minute better, locally.