Fix whitespace checks in installer tests
Fix whitespace checks in installer tests

In 6df2a0f94f8c1a53f5330b98bfb93b9dd29c2df2 , the formatting of some of the
generated files was changed, however the tests did not reflect these changes.

phoenixframework/phoenix,evax/phoenix,Kosmas/phoenix,eksperimental/phoenix,keathley/phoenix,Gazler/phoenix,nshafer/phoenix,eksperimental/phoenix,phoenixframework/phoenix,evax/phoenix,optikfluffel/phoenix,keathley/phoenix,rafbgarcia/phoenix,Gazler/phoenix,optikfluffel/phoenix,michalmuskala/phoenix,dmarkow/phoenix,Joe-noh/phoenix,mschae/phoenix,mitchellhenke/phoenix,mschae/phoenix,Kosmas/phoenix,mitchellhenke/phoenix,jwarwick/phoenix,rafbgarcia/phoenix,Joe-noh/phoenix,pap/phoenix,michalmuskala/phoenix,jwarwick/phoenix,0x00evil/phoenix,dmarkow/phoenix,0x00evil/phoenix,nshafer/phoenix,nshafer/phoenix,0x00evil/phoenix,optikfluffel/phoenix,pap/phoenix,rafbgarcia/phoenix,phoenixframework/phoenix