Scenario: I visit the edit page of a Group and I can remove a Mutant
Scenario: I visit the edit page of a Group and I can add a Mutant
Scenario: I visit the edit page of a Group and I can remove a Task
Scenario: I visit the edit page of a Group and I can add a Task
Scenario: I visit the edit page of a Group and I can go to list of Groups
Scenario: I visit the Groups Management page and I can go to creation of new Group
Scenario: I visit the Groups Management page and I can delete a Group