@then('we will have the substituted data')
def step_impl(context):
    assert context.saved_table, (context.saved_table, ) % 'context.saved_table is %r!!'
    value = context.active_outline['spam']
    expected = value + ' Cans'
    assert context.saved_table[0]['department'] == expected, '%r != %r' % (
        context.saved_table[0]['department'], expected)
dataset/ETHPy150Open behave/behave/tools/test-features/steps/steps.py/step_impl/swapped operands of `%`