11.2.5 finished. all tests pass
разнообразил аналогичным вариантом проверки
Merge branch 'following-users' of https://github.com/ex7/sample_app4 into following-users

Conflicts:
	app/controllers/relationships_controller.rb
	app/views/relationships/create.js.erb
	app/views/relationships/destroy.js.erb
	spec/controllers/relationships_controller_spec.rb