Revert "tests for decorate stylesheet link"

This reverts commit 8e0e5810af7f7f785f9bb4db49af427e6c31caf0.
Allow assignable types for slim symbols
Revert "Revert "tests for decorate stylesheet link""

This reverts commit 21c6feed50568f46e4b3aa2601443dac1354daf2.
Merge pull request #109 from trysetnull/master

Bugfix: ParseException thrown when Slim Symbol interface and not actual type used in fixture.