Fix failing spec. Backfill spec for DevUtilitiesController#set_backer_number.
Fix failing spec. Backfill spec for DevUtilitiesController#set_backer_number.

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