Merge branch '28-controller-tests' into Development

app/controllers/habits_controller.rb

test/controllers/goals_controller_test.rb

test/controllers/habits_controller_test.rb

test/controllers/leaderboards_controller_test.rb

test/controllers/omniauth_callbacks_controller_test.rb

test/controllers/room_messages_controller_test.rb

test/controllers/rooms_controller_test.rb

test/controllers/schedules_controller_test.rb

test/fixtures/board_users.yml

test/fixtures/goals.yml

test/fixtures/habits.yml

test/fixtures/leaderboards.yml

test/fixtures/room_messages.yml

test/fixtures/rooms.yml

test/fixtures/users.yml

test/models/push_subscription_test.rb

test/models/room_message_test.rb

test/models/room_test.rb

test/models/schedule_test.rb

test/test_helper.rb