Demonstrate inconsistency in handling of Single with a predicate.
Demonstrate inconsistency in handling of Single with a predicate.

zhangz/edulinq,jskeet/edulinq,zhangz/edulinq,iainholder/edulinq,iainholder/edulinq,pyaria/edulinq,pyaria/edulinq,jskeet/edulinq,jskeet/edulinq