Add recalculate call to tests

tests/TestMachineManager.py

@@ -57,7 +57,7 @@ def test_hasUserSettings(machine_manager, application):
     mocked_instance_container = MagicMock(name="UserSettingContainer")
     mocked_instance_container.getNumInstances = MagicMock(return_value = 12)
     mocked_stack.getTop = MagicMock(return_value = mocked_instance_container)
-
+    machine_manager._reCalculateNumUserSettings()
     assert machine_manager.numUserSettings == 12
     assert machine_manager.hasUserSettings
 
@@ -74,7 +74,7 @@ def test_hasUserSettingsExtruder(machine_manager, application):
     mocked_instance_container = MagicMock(name="UserSettingContainer")
     mocked_instance_container.getNumInstances = MagicMock(return_value=200)
     extruder.getTop = MagicMock(return_value = mocked_instance_container)
-
+    machine_manager._reCalculateNumUserSettings()
     assert machine_manager.hasUserSettings
     assert machine_manager.numUserSettings == 200
 
@@ -91,7 +91,7 @@ def test_hasUserSettingsEmptyUserChanges(machine_manager, application):
     mocked_instance_container = MagicMock(name="UserSettingContainer")
     mocked_instance_container.getNumInstances = MagicMock(return_value=0)
     extruder.getTop = MagicMock(return_value = mocked_instance_container)
-
+    machine_manager._reCalculateNumUserSettings()
     assert not machine_manager.hasUserSettings