Clojurians Log v2

Hi, I'm trying to run a subset of tests with kaocha-cljs2. this works to just run a given ns:

(kaocha.repl/run
    {:kaocha/tests
     [{:kaocha.testable/id   :browser-tests
       :kaocha.testable/type :kaocha.type/cljs2
       :kaocha.cljs2/timeout 30000}]
     :kaocha.filter/focus [:xyz]})

but I want to run for ns's matching a pattern. I have tried various combos of :ns-patterns in this config but in all cases no tests are run. any pointers please?