args );

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

CollectionAssert.DoesNotContain( IEnumerable expected, object actual );
CollectionAssert.DoesNotContain( IEnumerable expected, object actual,
          string message );
CollectionAssert.DoesNotContain( IEnumerable expected, object