@Test
public void doNothingInNonTransactionRequest() {

  when(invocation.getAttachment(OmegaContext.GLOBAL_TX_ID_KEY)).thenReturn(null);
  when(invocation.getAttachment(OmegaContext.LOCAL_TX_ID_KEY)).thenReturn(null);
  filter.invoke(invoker, invocation);
  assertThat(omegaContext.globalTxId(), is(nullValue()));
  assertThat(omegaContext.localTxId(), is(nullValue()));
}