Try stabilizing 2.10 build by running tests in a forked JVM
Try stabilizing 2.10 build by running tests in a forked JVM

This reverts one part of #462 (running tut in a forked JVM)
which should not be necessary anymore. I hope running the
tests in a forked JVM should be enough to fix the OOME
that #462 tried to fix.

fthomas/refined,sh0hei/refined