@Test
public void getSelfTestError() {

	PersistentChannel channel = mock(PersistentChannel.class);
	when(channel.sendMessage(any())).thenReturn(false);
	RadixJsonRpcClient jsonRpcClient = new RadixJsonRpcClient(channel);
	TestObserver<NodeRunnerData> observer = new TestObserver<>();
	jsonRpcClient.getInfo().subscribe(observer);
	observer.assertValueCount(0);
	observer.assertError(t -> true);
}