Docker-based test servers for network-related Qt autotests

• https://wiki.qt.io/Network_Testing

• https://www.qt.io/blog/2018/11/01/docker-based-test-servers-network-related-qt-autotests

• ../configure -developer-build -opensource -nomake examples

• make -j8

• cd qt5/qtbase/tests/auto

• qt5/qtbase/qtbase/bin/qmake

• make qmake_all

• qt5/qtbase/tests/auto/network/access/qnetworkreply

• make check