server.log is full of:
This generates a lot of noise and makes debugging hard.
Thanks Antoine Taillefer, lines that introduced that behavior are https://github.com/nuxeo/nuxeo-drive/blob/21a1b8913b4be4d0b25e444a1042e7510b837ea3/ftest/custom/nuxeo.defaults#L7-L8.
We should first remove those lines from the configuration file and see if tests are still going well. If so, let's stop here.
If not, let's use the warning filter as described in