slapos_pdm: Fix up testSlapOSCloudUpgradeSlapInterfaceWorkflow

master/bt5/slapos_pdm/TestTemplateItem/portal_components/test.erp5.testSlapOSCloudUpgradeSlapInterfaceWorkflow.py

@@ -531,7 +531,9 @@ class TestSlapOSCoreProjectSlapInterfaceWorkflow(SlapOSTestCaseMixin):
       software_installation.getUrlString())
     self.assertEqual('validated', software_installation.getValidationState())
 
-  def test_upgrade_decision_requestUpgrade_hosting_subscription(self):
+  @simulate('InstanceTree_isUpgradePossible',
+            'software_release_url', 'return 0')
+  def test_upgrade_decision_requestUpgrade_instance_tree_not_possible(self):
     self._makeTree()
     self._addUpgradeLine(self.instance_tree)
 
@@ -546,8 +548,8 @@ class TestSlapOSCoreProjectSlapInterfaceWorkflow(SlapOSTestCaseMixin):
     self.upgrade_decision.requestUpgrade()
     self.tic()
 
-    self.assertEqual('stopped', self.upgrade_decision.getSimulationState())
-    self.assertEqual(self.instance_tree.getUrlString(),
+    self.assertEqual('started', self.upgrade_decision.getSimulationState())
+    self.assertNotEqual(self.instance_tree.getUrlString(),
       self.software_release.getUrlString())
 
     self.assertEqual(slap_state,