Update webpack assets status checker to handle bundle file paths

Author: AbanoubGhadban

lib/react_on_rails/test_helper/webpack_assets_status_checker.rb

@@ -52,6 +52,8 @@ def all_compiled_assets
           webpack_generated_files = @webpack_generated_files.map do |bundle_name|
             if bundle_name == ReactOnRails.configuration.server_bundle_js_file
               ReactOnRails::Utils.server_bundle_js_file_path
+            else
+              ReactOnRails::Utils.bundle_js_file_path(bundle_name)
             end
           end