I bet if you move these two to be last, it will fix this. test_selection_select_column() test_selection_select_column_deselection()
Bug 1568789 Comment 13 Edit History
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I bet if you move these two to be last, it will fix this. test_selection_select_column() test_selection_select_column_deselection() (Only test_selection_last_message_deleted fail, the other predates).