add ut for log_to_stdout to true

src/core/tests/Test_MaintenanceWindow.py

@@ -62,6 +62,18 @@ def test_RemainingTime_after_duration_complete(self):
         self.assertEqual(int(remaining_time), 0)
         runtime.stop()
 
+    def test_RemainingTime_log_to_stdout_true(self):
+        argument_composer = ArgumentComposer()
+        argument_composer.start_time = "2017-02-15T18:15:12.9828835Z"
+        argument_composer.maximum_duration = "PT1H"
+        runtime = RuntimeCompositor(argument_composer.get_composed_arguments(), True)
+
+        current_time = datetime.datetime.strptime('2017-02-15 18:30:20', "%Y-%m-%d %H:%M:%S")
+        remaining_time = runtime.maintenance_window.get_remaining_time_in_minutes(current_time, log_to_stdout=True)
+
+        self.assertEqual(int(remaining_time), 44)
+        runtime.stop()
+
     def test_RemainingTime_raise_exception(self):
         # Arrange
         argument_composer = ArgumentComposer()
@@ -140,3 +152,4 @@ def test_is_package_install_time_available(self):
 
 if __name__ == '__main__':
     unittest.main()
+