we pass this test

svn path=/trunk/mcs/; revision=124231

mcs/class/System.Core/Test/System.Linq/EnumerableFixture.cs

@@ -1440,7 +1440,6 @@ namespace MonoTests.System.Linq {
 		}
 
 		[Test]
-		[Category ("NotWorking")]
 		public void SelectMany_CollectionSelectorArgResultSelectorArg_ArrayOfPetOwner_ResultContainsElementForEachPetAPetOwnerHas ()
 		{
 			var petOwners = Read (new []