'step should be incremented when we go to the next page'

def test_step_increments(self):

    wizard = WizardClass([WizardPageOneForm, WizardPageTwoForm])
    request = DummyRequest(POST={'0-field': 'test', 'wizard_step': '0'})
    response = wizard(request)
    self.assertEquals(1, wizard.step)
