[data-shapes] Pull Request: Unify `ex` namespace usage in tests

nicholascar has just submitted a new pull request for https://github.com/w3c/data-shapes:

== Unify `ex` namespace usage in tests ==
use <http://example.com/ns#> for ex: everywhere but without changing line endings

See https://github.com/w3c/data-shapes/pull/390


-- 
Sent via github-notify-ml as configured in https://github.com/w3c/github-notify-ml-config