@InjectMocks
private ChatBotInteractionHelper interactHelper;

static{

  MockRepository.addSuppressStaticInitializer("a.b.c.ChatBotInteractionHelper");

}

@Test
public void test(){
  // do something
}

@ObjectFactory public IObjectFactory getObjectFactory() {
     return new org.powermock.modules.testng.PowerMockObjectFactory();
}