Author index page should have a link to delete an author

[swt2public]

Scenario

Given an author named 'Alan Turing'
When users visit the authors index page
Then it should have a destroy link with the text 'Destroy'

Error

Expected to find css "a" with text "destroy" but there were no matches. also found "add author", "show", "edit", which matched the selector but not all filters.

Estimated progress: 57% complete

[swt2public]

Sorry, it's not working for me yet:

Scenario

Given an author named 'Alan Turing'
When users visit the authors index page
And click 'Destroy'
Then the author should be deleted

Error

Expected: nil
got: #<author id: 1, first_name: "alan", last_name: "turing", homepage: "http://wikipedia.de/alan_turing", created_at: "2017-11-03 18:02:22", updated_at: "2017-11-03 18:02:22">

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