def METHOD_NAME(self) -> None:
    inp = numpy.array([1, 2, 3, 4, 5, 6], dtype=int)
    ref = numpy.array([[1, 2, 4], [2, 3, 5], [4, 5, 6]], dtype=int)
    numpy.testing.assert_equal(utils.block_to_matrix(inp), ref)