slapos_crm: test: fixup instance tree creation

master/bt5/slapos_crm/TestTemplateItem/portal_components/test.erp5.testSlapOSCRMRegularisationRequestSkins.py

@@ -426,7 +426,13 @@ class TestSlapOSInstanceTree_stopFromRegularisationRequest(
         .newContent(portal_type="Instance Tree")
     instance_tree.edit(
       reference="TESTHS-%s" % new_id,
-      follow_up_value=project
+      follow_up_value=project,
+      url_string=self.generateNewSoftwareReleaseUrl(),
+      title=self.generateNewSoftwareTitle(),
+      source_reference=self.generateNewSoftwareType(),
+      text_content=self.generateSafeXml(),
+      sla_xml=self.generateSafeXml(),
+      root_slave=False
     )
     instance_tree.validate()
     self.portal.portal_workflow._jumpToStateFor(