@Test
public void testSortEqualMediaByOneAttribute() {

	AdaptiveMedia<AMImageProcessor> adaptiveMedia1 = _createAdaptiveMedia(
		AMAttribute.getContentLengthAMAttribute(), 10L);
	AdaptiveMedia<AMImageProcessor> adaptiveMedia2 = _createAdaptiveMedia(
		AMAttribute.getContentLengthAMAttribute(), 10L);
	long result = _singleAMAttributeDistanceComparator.compare(
		adaptiveMedia1, adaptiveMedia2);
	Assert.assertEquals(0, result);
}