GitUIProxy unit test fails in some cases

[jctophefabre]

The unit test of the GitUIProxy class fails in some cases. It seems related to the cached git credentials, but it must be explored and confirmed.

The bug can be explored in this part of source code:

openfluid/src/openfluid/ui/waresdev/GitUIProxy.cpp

Line 134 in 8acb17b

bool GitUIProxy::launchAuthCommand(QStringList Args, const QString& FromUrl, const QString& ToPath,