Updating tests to allow for 5 minute delay when getting events from the head of the feed.
Merge pull request #257 from usnavi/fix_ah_regress_adapters_2

Updating tests to allow for 5 minute delay when getting events from the ...
missed one required delay on my first check-in.
typo.
Merge pull request #258 from usnavi/fix_ah_regress_adapters_2

missed a necessary post-POST delay.
D-15415 - apply fix to D-15000 race conditon for direction=forward

- updated the marker=forward queries to filter all entries newer than current time - delay
Merge branch 'D-15415_forward' of https://github.com/usnavi/atom-hopper into D-15415_forward