ual( IEnumerable expected, IEnumerable actual,
          string message );
CollectionAssert.AreNotEqual( IEnumerableon expected, IEnumerable actual
          string message, params object[] args );

CollectionAssert.AreNotEquivalent( IEnumerable expected,
          IEnumerable actual );
CollectionAssert.AreNotEquivalent( IEnumerable expected,
          IEnumerable actual, string message );
CollectionAssert.AreNotEquivalent( IEnumerable expected,
          IEnumerable actual, string message, params object[] 