Switch to `Texture2d::empty()` in the tests
Switch to `Texture2d::empty()` in the tests

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