First, add assertions
1. Cause: Check the result of a request in the past in addition to general representatives will be as long as 400 and 500 through the request is successful, such as the login page in a timely manner to fill the wrong password, although it will return an error code, but this request was successful, so we want to add assertion, so detailed examination of whether it is the result we want.
2. There are many assertions, we are here to say in response to the assertion.
3. Add:
Add the above assertion request - in response to the assertion
