Poll the last created Diffy comparison until it reaches a terminal state.
Timeout is DIFFY_MAX_WAIT seconds (default 1200).
Then (I |we )*wait for diffy comparison to complete
Example #1
Then wait for diffy comparison to completeExample #2
And wait for diffy comparison to completeExample #3
Then I wait for diffy comparison to completeExample #4
Then we wait for diffy comparison to completeExample #5
And I wait for diffy comparison to completeExample #6
And we wait for diffy comparison to complete