def METHOD_NAME(self):
    self.dl.data.insert(0, dict(icon=None, title="A1", subtitle="A2"))
    self.dl.data.insert(0, dict(icon=None, title="B1", subtitle="B2"))
    # B should now precede A
    # tests passes if A "knows" it has moved to index 1
    self.assertRowEqual(
        self.gtk_dl.store[0], dict(icon=None, title="B1", subtitle="B2")
    )
    self.assertRowEqual(
        self.gtk_dl.store[1], dict(icon=None, title="A1", subtitle="A2")
    )