[F] developer_generates_class.feature
[F] developer_generates_collaborator.feature
[F] developer_generates_collaborator_from_use_group.feature
[F] developer_generates_collaborator_method.feature
[F] developer_generates_method.feature
[F] developer_generates_named_constructor.feature
[F] developer_generates_return_constant.feature
[F] developer_generates_spec.feature
[F] developer_reruns_features.feature