@ArquillianResource in TestNG based tests causes test body not to be evaluated

public class LowercaseConverterTest extends Arquillian {

	@Inject
	private LowercaseConverter lowercaseConverter;

	@Deployment
	public static JavaArchive createTestArchive() {

		return ShrinkWrap
				.create(JavaArchive.class, "test.jar")
				.addClasses(LowercaseConverter.class)
				.addAsManifestResource(EmptyAsset.INSTANCE,
						ArchivePaths.create("beans.xml"));
	}

	@Test
	public void testConvertToLowercase() {	    
	    
		Assert.assertEquals("martin",
				lowercaseConverter.convertToLowercase("Martin"));
	}
}

@ArquillianResource URL field;	

@Test
	public void testConvertToLowercase() {	    
	    
	    Assert.fail();
	    
		Assert.assertEquals("karel",
				lowercaseConverter.convertToLowercase("Martin"));
	}