def METHOD_NAME(self):
    boxes = [(100, 100, 200, 200), (305, 305, 415, 415)]
    cluster_candidates = get_cluster_candidates(
        self.frame_shape, self.min_region_size, boxes
    )
    regions = [
        get_cluster_region(self.frame_shape, self.min_region_size, candidate, boxes)
        for candidate in cluster_candidates
    ]
    # save_clusters_image("redundant", boxes, cluster_candidates, regions)
    assert len(cluster_candidates) == 2
    assert all([len(c) == 1 for c in cluster_candidates])
    assert len(regions) == 2