testConstructorMockWithClassMembers() {
    const mockConstructor = testing.createConstructorMock(
        constructornamespace, 'MyConstructorWithClassMembers');
    assertEquals(
        42, constructornamespace.MyConstructorWithClassMembers.CONSTANT);
    assertEquals(
        'class method return value',
        constructornamespace.MyConstructorWithClassMembers.classMethod());
    mockConstructor.$tearDown();
  }
Test that class members are copied to the mock constructor.
     @suppress {missingProperties} suppression added to enable type checking