Turns out it is quite simple, so I've added it in v2, and also your test. Thanks!
Unfortunately that test fails here:
``` shader_runner:541:Section [test], line 51: Todo: Failed to compile shaders. shader_runner:541:Section [test], line 101: Todo: Failed to compile shaders. shader_runner:541:Section [test], line 120: Todo: Failed to compile shaders. shader_runner:541:Section [test], line 146: Test failed: Failed to compile shaders. ```