Python interface is untested during automated tests

[bast]

It is too easy to break code when it is untested.

[chjacob-tubs]

Can you give a a hint where the automatic tests are and how I can run / test them? I will try to take care of this then.

[bast]

We use Travis and Appveyor:

• https://github.com/dftlibs/xcfun/blob/master/.travis.yml#L190
• https://github.com/dftlibs/xcfun/blob/master/.appveyor.yml

Step one would be to make them part of the "test" target:

• https://github.com/dftlibs/xcfun/blob/master/test/CMakeLists.txt

[robertodr]

I think Python tests should use pytest. How to hook them up with CMake is up for debate.

[robertodr]

:man_facepalming: Actually I solved this one with this commit on April 23 2018

[chjacob-tubs]

Fixed with #93