gistfile1.txt

        self.create_test_cohort(
            editor_count=4,
            revisions_per_editor=3,
            revision_timestamps=[
                [
                    datetime(2012, 12, 31, 23, 0, 0),
                    datetime(2013, 1, 1, 0, 30, 0),
                    datetime(2013, 1, 1, 1, 0, 0),
                ],
                [
                    datetime(2013, 1, 1, 12, 0, 0),
                    datetime(2013, 1, 2, 0, 0, 0),
                    datetime(2013, 1, 2, 12, 0, 0),
                ],
                    datetime(2013, 1, 1, 0, 0, 0),
                    datetime(2013, 1, 8, 0, 0, 0),
                    datetime(2013, 1, 16, 0, 0, 0),
                ],
                [
                    datetime(2013, 1, 1, 0, 0, 0),
                    datetime(2013, 2, 1, 0, 0, 0),
                    datetime(2014, 1, 1, 0, 0, 0),
                ],
            ],
            revision_lengths=[[10]*3]*4,
        )