erp5_ui_test_core: increase script call restriction to two scripts

for Zuite_addTest and Zuite_addZuite:
- protect from URL call
- protect from calling outside Test Tool context

for Zuite_addZuite:
- protect from None zuite_id
- protect from zuite meta type != ERP5 Test Tool

bt5/erp5_ui_test_core/SkinTemplateItem/portal_skins/erp5_ui_test_core/Zuite_addTest.xml

@@ -55,6 +55,11 @@
 """\n
   Include a page template contains a into a Zuite\n
 """\n
+if REQUEST:\n
+  raise RuntimeError("You can not call this script from the URL")\n
+\n
+assert context.getPortalType() == "Test Tool", "bad context"\n
+\n
 if test_id is None or test_id == \'\':\n
   test_id = \'\'.join(list(filter(lambda a: a not in ["\'",\'_\', \'-\',\'.\',\' \',\'~\', \':\', \'/\', \'?\', \'#\', \'[\', \']\', \'@\', \'!\', \'$\', \'&\', \'(\', \')\', \'*\',\'+\',\';\',\'=\'], title)))\n
 \n
@@ -74,7 +79,7 @@ return test\n
         </item>
         <item>
             <key> <string>_params</string> </key>
-            <value> <string>test_id, title, text</string> </value>
+            <value> <string>test_id, title, text, REQUEST=None</string> </value>
         </item>
         <item>
             <key> <string>id</string> </key>

bt5/erp5_ui_test_core/SkinTemplateItem/portal_skins/erp5_ui_test_core/Zuite_addZuite.xml

@@ -53,11 +53,21 @@
             <value> <string>"""\n
   Create a zuite or return an existing one after remove his contents.\n
 """\n
+assert context.getPortalType() == "Test Tool", "bad context"\n
+if REQUEST:\n
+  raise RuntimeError("You can not call this script from the URL")\n
+\n
+if zuite_id is None:\n
+  raise ValueError("Zuite_id cannot be None!")\n
+\n
 if zuite_id not in context.objectIds():\n
   factory = context.portal_tests.manage_addProduct[\'Zelenium\']\n
   factory.manage_addZuite(id=zuite_id)\n
 \n
-zuite = getattr(context.portal_tests, zuite_id, None)\n
+zuite = getattr(context.portal_tests, zuite_id)\n
+if zuite.getMetaType() != "ERP5 Test Tool":\n
+  raise ValueError("Zuite is not a ERP5 Test Tool")\n
+\n
 zuite.manage_delObjects(zuite.objectIds())\n
 \n
 return zuite\n
@@ -65,7 +75,13 @@ return zuite\n
         </item>
         <item>
             <key> <string>_params</string> </key>
-            <value> <string>zuite_id</string> </value>
+            <value> <string>zuite_id, REQUEST=None</string> </value>
+        </item>
+        <item>
+            <key> <string>guard</string> </key>
+            <value>
+              <none/>
+            </value>
         </item>
         <item>
             <key> <string>id</string> </key>