Bug 870925 - Followup: Fix SubmissionsTracker tests (part 1/2).
Bug 870925 - Followup: Remove unnecessary params #1.
Bug 870925 - Followup: Remove unnecessary params #2.
Bug 870925 - Followup: Remove unnecessary params. #3
Bug 870925 - Followup: Fix SubmissionsTracker tests (part 2/2).