How to use

leaveGroup

method

in

com.linecorp.bot.client.LineMessagingService

@Override
public CompletableFuture<BotApiResponse> leaveGroup(final String groupId) {
  return toFuture(retrofitImpl.leaveGroup(groupId));
}

@Test
public void leaveGroupTest() throws Exception {
  whenCall(retrofitMock.leaveGroup(any()),
       BOT_API_SUCCESS_RESPONSE);
  // Do
  final BotApiResponse botApiResponse = target.leaveGroup("ID").get();
  // Verify
  verify(retrofitMock, only()).leaveGroup("ID");
  assertThat(botApiResponse).isEqualTo(BOT_API_SUCCESS_RESPONSE);
}