retry different responses

[hector-js]

Is your feature request related to a problem? Please describe.
hector-js/stub-backend#39
There is a new functionality to retry multiple responses for the same request.

Describe the solution you'd like
We need to have an option to add the number or retries and provide fake responses and a test as a template. Also, we need to integrate it with the template for the test (which is a new feature)