Travis CI tests fail when dist: xenial is used instead of dist: trusty

[cclauss]

Why does git.test.test_remote.TestRemote fail in all versions of Python on Travis CI when dist: xenial is used instead of the Travis CI default of dist: trusty? For Python >= 3.7 it is required that Travis runs on Xenial: https://github.com/gitpython-developers/GitPython/blob/master/.travis.yml#L11-L14

https://travis-ci.org/gitpython-developers/GitPython/builds/481862926

[Byron]

Even though I am as puzzled as you are, that particular test uses the git daemon to verify remote operation, without leaving the host. Possibly the git-daemon provided by this distro operates differently enough to make the test fail.

Something I could imagine is to just disable it, for now, for the python versions that require it. I say this under the assumption that nobody has the time to figure what's really going on though.

[cclauss]

OK. I will add a PR for a @pytest.mark.xfail()

[jeking3]

The root cause and fix is buried in #826 right now.