Remove the build type switch for "dub test". See #385.
Remove the build type switch for "dub test". See #385.

Abscissa/dub-data-mod,rjframe/dub,p0nce/dub,grogancolin/dub,schuetzm/dub,gedaiu/dub,Geod24/dub,alexeibs/dub,xentec/dub,jelmansouri/dub,dreamsxin/dub,nazriel/dub,D-Programming-Language/dub,y12uc231/dub,Flamaros/dub,Abscissa/dub,jeanbaptistelab/dub