add test_app_config and test_invalid_loglevel
add test_app_config and test_invalid_loglevel

Signed-off-by: Stefano Zacchiroli <d7cdf09fc0f0426e98c9978ee42da5d61fa54986@upsilon.cc>

oorestisime/debsources,zacchiro/debsources,devoxel/debsources,matthieucan/debsources,vivekanand1101/debsources,sophiejjj/debsources,matthieucan/debsources,vivekanand1101/debsources,Debian/debsources,oorestisime/debsources,zacchiro/debsources,zacchiro/debsources,sophiejjj/debsources,Debian/debsources,clemux/debsources,devoxel/debsources,vivekanand1101/debsources,devoxel/debsources,oorestisime/debsources,devoxel/debsources,Debian/debsources,oorestisime/debsources,clemux/debsources,zacchiro/debsources,Debian/debsources,sophiejjj/debsources,sophiejjj/debsources,vivekanand1101/debsources,matthieucan/debsources,vivekanand1101/debsources,clemux/debsources,clemux/debsources,sophiejjj/debsources,oorestisime/debsources,matthieucan/debsources,devoxel/debsources,matthieucan/debsources,Debian/debsources,clemux/debsources,zacchiro/debsources