[erp5_code_mirror] Activate syntax highlight for Test Component

bt5/erp5_code_mirror/SkinTemplateItem/portal_skins/erp5_code_mirror/codemirror.gadget.appcache.appcache

 CACHE MANIFEST
-# generated on Mon, 05 Feb 2018 15:00:00 GMT+0100
+# generated on Wed, 16 Jan 2019 15:00:00 GMT+0100
 CACHE:
 favicon.ico
 renderjs.js

bt5/erp5_code_mirror/SkinTemplateItem/portal_skins/erp5_code_mirror/codemirror.gadget.js.js

@@ -79,7 +79,8 @@
         mode = 'javascript';
       } else if (options.portal_type === 'Web Style') {
         mode = 'css';
-      } else if (options.portal_type === 'Python Script') {
+      } else if ((options.portal_type === 'Python Script') ||
+                 (options.portal_type === 'Test Component')) {
         mode = 'python';
       }
       state_dict.mode = mode;