assertNotNull("Attribute attr00", attr00);
assertNotNull("Attribute attr10", attr10);
AttrCompare attrCompare = new AttrCompare();
assertTrue(attr0 + " < " + attr1, attrCompare.compare(attr0, attr1) < 0);
assertTrue(attr1 + " < " + attr0, attrCompare.compare(attr1, attr0) > 0);
}
/**
* This test uses the attrs[] array to compare every attribute against