Improve Rails5 test support

[neko314]

How to reproduce

Some tests failed on my MacOS Mojave 10.14.6

docker-compose up
docker exec -it sorcery_example bash
bin/rails db:migrate
bundle install

# bin/rails test
Run options: --seed 31025

# Running:

.....E

Error:
UsersControllerTest#test_should_show_user:
ArgumentError: unknown keyword: id
    test/functional/users_controller_test.rb:29:in `block in <class:UsersControllerTest>'


bin/rails test test/functional/users_controller_test.rb:27

E

Error:
UsersControllerTest#test_should_update_user:
ArgumentError: unknown keywords: id, user
    test/functional/users_controller_test.rb:41:in `block in <class:UsersControllerTest>'


bin/rails test test/functional/users_controller_test.rb:39

E

Error:
UsersControllerTest#test_should_create_user:
ArgumentError: unknown keyword: user
    test/functional/users_controller_test.rb:21:in `block (2 levels) in <class:UsersControllerTest>'
    test/functional/users_controller_test.rb:20:in `block in <class:UsersControllerTest>'


bin/rails test test/functional/users_controller_test.rb:19

.E

Error:
UsersControllerTest#test_should_destroy_user:
ArgumentError: unknown keyword: id
    test/functional/users_controller_test.rb:48:in `block (2 levels) in <class:UsersControllerTest>'
    test/functional/users_controller_test.rb:47:in `block in <class:UsersControllerTest>'


bin/rails test test/functional/users_controller_test.rb:45

E

Error:
UsersControllerTest#test_should_get_edit:
ArgumentError: unknown keyword: id
    test/functional/users_controller_test.rb:35:in `block in <class:UsersControllerTest>'


bin/rails test test/functional/users_controller_test.rb:33

E

Error:
UsersControllerTest#test_should_get_index:
NoMethodError: assigns has been extracted to a gem. To continue using it,
        add `gem 'rails-controller-testing'` to your Gemfile.
    test/functional/users_controller_test.rb:11:in `block in <class:UsersControllerTest>'


bin/rails test test/functional/users_controller_test.rb:8



Finished in 0.893892s, 13.4244 runs/s, 10.0683 assertions/s.
12 runs, 9 assertions, 0 failures, 6 errors, 0 skips

Fix

• Add gem 'rails-controller-testing' .
• All parameters should be passed to the methods with param hashes.