Use HTTP matchers if possible

spec/controllers/admin/impersonations_controller_spec.rb

spec/controllers/admin/spam_logs_controller_spec.rb

spec/controllers/admin/users_controller_spec.rb

spec/controllers/application_controller_spec.rb

spec/controllers/autocomplete_controller_spec.rb

spec/controllers/commit_controller_spec.rb

spec/controllers/groups/group_members_controller_spec.rb

spec/controllers/health_check_controller_spec.rb

spec/controllers/invites_controller_spec.rb

spec/controllers/namespaces_controller_spec.rb

spec/controllers/notification_settings_controller_spec.rb

spec/controllers/oauth/applications_controller_spec.rb

spec/controllers/profiles/accounts_controller_spec.rb

spec/controllers/projects/branches_controller_spec.rb

spec/controllers/projects/issues_controller_spec.rb

spec/controllers/projects/merge_requests_controller_spec.rb

spec/controllers/projects/notes_controller_spec.rb

spec/controllers/projects/project_members_controller_spec.rb

spec/controllers/projects/raw_controller_spec.rb

spec/controllers/projects/repositories_controller_spec.rb