@Test
public void testUnmarshalNoPayload() throws Exception {

	Unmarshaller unmarshallerMock = createMock(Unmarshaller.class);
	MimeMessage messageMock = createMock(MimeMessage.class);
	expect(messageMock.getPayloadSource()).andReturn(null);
	replay(unmarshallerMock, messageMock);
	Object result = MarshallingUtils.unmarshal(unmarshallerMock, messageMock);
	Assert.assertNull("Invalid unmarshalled object", result);
	verify(unmarshallerMock, messageMock);
}