@request.headers['Authorization'] = "Bearer configuredmanagementtoken"
get :metrics
assert_response :success
- assert_equal 'text/plain', @response.content_type
+ assert_equal 'text/plain', @response.media_type
+ assert_equal 'utf-8', @response.charset
assert_match /\narvados_config_source_timestamp_seconds{sha256="#{hash}"} #{Regexp.escape mtime.utc.to_f.to_s}\n/, @response.body