Improve test_pin_jobs by adding explicit waits for the jobs to be displayed
Improve test_pin_jobs by adding explicit waits for the jobs to be displayed

edmorley/treeherder,edmorley/treeherder,edmorley/treeherder,KWierso/treeherder,KWierso/treeherder,KWierso/treeherder,edmorley/treeherder,KWierso/treeherder