Fixed an anonymizer test hidden behind a lazy seq

Since coll? doesn't force the seq, essentially the function
under test wasn't being ran. The test had a vector where
a map was expected which fails when the seq is forced.
Merge pull request #844 from senior/maint/1.6.x/anonymizer-lazy-test-fix

Fixed an anonymizer test hidden behind a lazy seq
Merge branch '1.6.x'

* 1.6.x:
  Fixed an anonymizer test hidden behind a lazy seq