@Test
public void when_initializing_with_null__npe_is_thrown() {

	assertThatThrownBy(() -> FetchAtomsCancelAction.of(null, mock(RadixAddress.class)))
		.isInstanceOf(NullPointerException.class);
	assertThatThrownBy(() -> FetchAtomsCancelAction.of("Hi", null))
		.isInstanceOf(NullPointerException.class);
}