Fix texture creation tests
Fix texture creation tests

TyOverby/glium,bvssvni/glium,carbidegames/glium,christopheraugustus/glium,binsoftware/glium,sdotz/glium,rozaliev/glium,caldwell/glium,acolley/glium,cpjreynolds/glium,nicokoch/glium,msiglreith/glium,glium/glium,tomaka/glium