[Debian-med-packaging] cwltool is marked for autoremoval from testing

[Debian testing autoremoval watch]

cwltool 1.0.20181217162649+dfsg-10 is marked for autoremoval from testing on 2019-09-30

It (build-)depends on packages with these RC bugs:
934960: python-mock, src:pytest-mock: python-mock breaks pytest-mock autopkgtest