def test_mask_one_tp_one_fp(self):
    # GT: one box with mask, one without
    # Det: one mask matches gt1, one is fp (box does not match)
    groundtruth_boxes = np.array([[0, 0, 2, 3], [2, 2, 4, 4]], dtype=float)
    groundtruth_mask_0 = np.array([[0, 1, 1, 0], [0, 0, 1, 0], [0, 0, 0, 0]],