def test_exception_raised_if_grid_rows_different_lengths():
    '''Should raise the InconsistentGridError exception'''

    largest_grid_product(FAIL_GRID, 2)
def test_largest_grid_product_mine():
    '''Expect 2 * 5 * 5 * 5 = 250'''

    assert largest_grid_product(TEST_GRID, 4) == 250
def test_exception_raised_if_grid_smaller_than_n():
    '''Should raise the InsufficientGridSizeError exception'''

    largest_grid_product(TEST_GRID, 6)