'Drag Group B into Group A (first element).'

def test_drag_group_into_group(self):

    expected_ordering = [{self.container_title: [self.group_a, self.group_empty]}, {self.group_a: [self.group_b, self.group_a_item_1, self.group_a_item_2]}, {self.group_b: [self.group_b_item_1, self.group_b_item_2]}, {self.group_empty: []}]
    self.drag_and_verify(self.group_b_handle, self.group_a_item_1_handle, expected_ordering)
