Pin minitest to -> 5.10.0 (#266)
Pin minitest to -> 5.10.0 (#266)

There is an issue with minitest 5.11.x + Rails 5.1. It should be fixed
in Rails (https://github.com/rails/rails/pull/30800), however, it's not
released yet.

5.11.x gives us issues described in
https://github.com/seattlerb/minitest/issues/730.
adamruzicka/dynflow,adamruzicka/dynflow,Dynflow/dynflow,Dynflow/dynflow,Dynflow/dynflow,Dynflow/dynflow,adamruzicka/dynflow,adamruzicka/dynflow