Aloe doesn't work when use case has no authorization method

[maikvortx]

Describe the bug

I'm testing a usecase with no authorization and got an error because ALOE doesn't validate if the usecase has authorization.

To Reproduce
Steps to reproduce the behavior:

1. Create a usecase without authorization method
2. Create a test scenario without authorization

Expected behavior

Not authorized error.

Screenshots

Additional context

I have created an issue to request a creation of hasAuthorization method to validade if usecase has authorization before run.

[maikvortx]

@dalssoft

[maikvortx]

herbsjs/buchu#86