@Test
public void getDefaultRichMenuIdTest() throws Exception {

    whenCall(retrofitMock.getDefaultRichMenuId(), RICH_MENU_ID_RESPONSE);
    // Do
    final RichMenuIdResponse richMenuIdResponse = target.getDefaultRichMenuId().get();
    // Verify
    verify(retrofitMock, only()).getDefaultRichMenuId();
    assertThat(richMenuIdResponse).isEqualTo(RICH_MENU_ID_RESPONSE);
}