marvin: fix test failures when changing service offering of a VM

Author: Pearl Dsilva

test/integration/smoke/test_service_offerings.py

@@ -502,6 +502,23 @@ def test_04_change_offering_small(self):
             self.skipTest("Skipping this test for {} due to bug CS-38153".format(self.hypervisor))
         try:
             self.medium_virtual_machine.stop(self.apiclient)
+            timeout = self.services["timeout"]
+            while True:
+                time.sleep(self.services["sleep"])
+                # Ensure that VM is in stopped state
+                list_vm_response = list_virtual_machines(
+                                            self.apiclient,
+                                            id=self.medium_virtual_machine.id
+                                            )
+                if isinstance(list_vm_response, list):
+                    vm = list_vm_response[0]
+                    if vm.state == 'Stopped':
+                        self.debug("VM state: %s" % vm.state)
+                        break
+                if timeout == 0:
+                    raise Exception(
+                        "Failed to stop VM (ID: %s) in change service offering" % vm.id)
+                timeout = timeout - 1
         except Exception as e:
             self.fail("Failed to stop VM: %s" % e)
 

test/integration/smoke/test_vm_snapshots.py

@@ -454,6 +454,30 @@ def test_change_service_offering_for_vm_with_snapshots(self):
         self.debug("Stopping VM - ID: %s" % virtual_machine.id)
         try:
             virtual_machine.stop(self.apiclient)
+            timeout = self.services["timeout"]
+
+            while True:
+                time.sleep(self.services["sleep"])
+
+                # Ensure that VM is in stopped state
+                list_vm_response = list_virtual_machines(
+                    self.apiclient,
+                    id=virtual_machine.id
+                )
+
+                if isinstance(list_vm_response, list):
+
+                    vm = list_vm_response[0]
+                    if vm.state == 'Stopped':
+                        self.debug("VM state: %s" % vm.state)
+                        break
+
+                if timeout == 0:
+                    raise Exception(
+                        "Failed to stop VM (ID: %s) in change service offering" % vm.id)
+
+                timeout = timeout - 1
+
         except Exception as e:
             self.fail("Failed to stop VM: %s" % e)