Acceptance test for show action

Missing a test due to repository's factory
Signed-off-by: Guilherme Rojas V. de Lima <guilhermehrojas@gmail.com>
Acceptance tests for create repository

Pending test until know how to manipulate select tags

Signed-off-by: Fellipe Souto <fllsouto@gmail.com>
Fixed step for select tag.

Signed-off-by: Renan Fichberg <rfichberg@gmail.com>
Acceptance tests

Signed-off-by: Renan Fichberg <rfichberg@gmail.com>
Fixes repository creation acceptance test
Repository creation acceptance tests reviwed

Scenarios regarding Project show moved to its place
Some unmenaningful scenarios were removed
Repository creation validations acceptance tests
Fixed combox selection step
Acceptance tests for repository edition

Also fixed a bug on the RepositoriesController for the case qhere some data is invalid
Acceptance test for repository deletion