def METHOD_NAME(self):
    # From voigt index
    test = Strain.from_index_amount(2, 0.01)
    should_be = np.zeros((3, 3))
    should_be[2, 2] = 0.01
    assert_allclose(test, should_be)
    # from full-tensor index
    test = Strain.from_index_amount((1, 2), 0.01)
    should_be = np.zeros((3, 3))
    should_be[1, 2] = should_be[2, 1] = 0.01
    assert_allclose(test, should_be)