from behave import * from cli import Chrome @given ("the Chrome client") def step_impl (context): context.client = Chrome() @when ("the Start method is called") def step_impl (context): # context._return = None context._return = context.client.start() @then ("Google Chrome should open") def step_impl (context): print (f"\n-----------\n{context._return}\n------------\n") assert context._return == "", "Google Chrome did not opened as expected."