_Note : this tool is not used anymore to build automated reports since its integration in native QGIS Continuous integration (see qgis/QGIS-Enhancement-Proposals#212)
QGIS server is tested every night against OGC test suites using this test suite. It is build using team Engine platform and uses Docker containers to run QGIS server and produce xml and html test
Full description is here:
see https://github.com/qgis/QGIS/wiki/OGC-compliance-for-QGIS/