erp5_hal_json_style: Add a test to reproduce the draft view validation error

bt5/erp5_hal_json_style/SkinTemplateItem/portal_skins/erp5_hal_json_style/Base_callDialogMethod.py

@@ -71,7 +71,7 @@ if dialog_method == 'Base_configureSortOn':
 # Exceptions for Workflow
 if dialog_method == 'Workflow_statusModify':
   return context.Workflow_statusModify(form_id=form_id,
-                                        dialog_id=dialog_id)
+                                        dialog_id=dialog_id, REQUEST=request)
 
 # Exception for edit relation
 if dialog_method == 'Base_editRelation':

bt5/erp5_hal_json_style/TestTemplateItem/portal_components/test.erp5.testHalJsonStyle.py

@@ -708,6 +708,31 @@ class TestERP5Document_getHateoas_mode_traverse(ERP5HALJSONStyleSkinsMixin):
                                                                                      document.getRelativeUrl()))
     self.assertEqual(result_dict['_embedded']['_view']['_actions']['put']['method'], 'POST')
 
+  @simulate('Base_getRequestUrl', '*args, **kwargs',
+      'return "http://example.org/bar"')
+  @simulate('Base_getRequestHeader', '*args, **kwargs',
+            'return "application/hal+json"')
+  @changeSkin('Hal')
+  def test_getHateoasDocument_draft_view(self):
+    document = self._makeDocument()
+
+    fake_request = do_fake_request("POST" , data=(
+      ('field_your_comment', ''),
+      ('field_your_workflow_action', 'validate_action'),
+      ('selection_name', 'foo_selection'),
+    ))
+
+    response = document.Base_callDialogMethod(
+      REQUEST=fake_request,
+      dialog_method='Workflow_statusModify',
+      dialog_id='Base_viewWorkflowActionDialog',
+      form_id='Foo_view',
+    )
+
+    fake_request = do_fake_request("GET")
+    result = self.portal.web_site_module.hateoas.ERP5Document_getHateoas(REQUEST=fake_request, mode="traverse", relative_url=document.getRelativeUrl(), view="view_draft")
+
+
   @simulate('Base_getRequestUrl', '*args, **kwargs',
       'return "http://example.org/bar"')
   @simulate('Base_getRequestHeader', '*args, **kwargs',

bt5/erp5_hal_json_style/TestTemplateItem/portal_components/test.erp5.testHalJsonStyle.xml

@@ -45,7 +45,11 @@
         <item>
             <key> <string>text_content_warning_message</string> </key>
             <value>
-              <tuple/>
+              <tuple>
+                <string>W:719,  4: Unused variable \'result\' (unused-variable)</string>
+                <string>W:736,  4: Unused variable \'response\' (unused-variable)</string>
+                <string>W:744,  4: Unused variable \'result\' (unused-variable)</string>
+              </tuple>
             </value>
         </item>
         <item>