Fix invitation controller spec on postgres
Fix invitation controller spec on postgres

despora/diaspora,diaspora/diaspora,Flaburgan/diaspora,KentShikama/diaspora,despora/diaspora,SuperTux88/diaspora,SuperTux88/diaspora,spixi/diaspora,geraspora/diaspora,KentShikama/diaspora,spixi/diaspora,Amadren/diaspora,spixi/diaspora,jhass/diaspora,KentShikama/diaspora,geraspora/diaspora,jhass/diaspora,Flaburgan/diaspora,Amadren/diaspora,Amadren/diaspora,Flaburgan/diaspora,despora/diaspora,spixi/diaspora,SuperTux88/diaspora,despora/diaspora,Muhannes/diaspora,geraspora/diaspora,SuperTux88/diaspora,diaspora/diaspora,jhass/diaspora,Amadren/diaspora,KentShikama/diaspora,jhass/diaspora,diaspora/diaspora,Muhannes/diaspora,Muhannes/diaspora,geraspora/diaspora,diaspora/diaspora,Muhannes/diaspora,Flaburgan/diaspora