when(waveletProvider.checkAccessPermission(WAVELET_NAME, ALEX)).thenReturn(true);
service.execute(operation, context, ALEX);
ObservableConversation conversation =
context.openConversation(WAVE_ID, WAVELET_ID, ALEX).getRoot();
JsonRpcResponse response = context.getResponse(OPERATION_ID);
assertNotNull("expected a response", response);
assertFalse("expected a success response", response.isError());
assertEquals("Expected the response to carry the message", message,