assert-vector-like fails, but no information

[mattiasw2]

Trying to see whats wrong with clojure.core.rrb_vector

but all information I get is

FAIL in (collection-check) (rrb_vector_check.clj:8)
expected: (assert-vector-like 250 (fv/vector) gen/int)
  actual: (not (assert-vector-like 250 [] #clojure.test.check.generators.Generator{:gen #object[clojure.test.check.generators$sized$fn__1400 0x354e7004 "clojure.test.check.generators$sized$fn__1400@354e7004"]}))

Any help on what I am doing wrong? How do I get more information why not vector-like.

I made a clone at https://github.com/mattiasw2/core.rrb-vector and you get the above message if you lein test

The test source is at

https://github.com/mattiasw2/core.rrb-vector/blob/master/src/test_local/clojure/clojure/core/rrb_vector_check.clj