
PASS Capture a single GPUValidation error. 
PASS Capture a single GPUOutOfMemory error. 
PASS Ignore errors past the first. 
PASS Captured errors match error scope filter. 
PASS Reject popErrorScope if no scope exists. 
PASS Filter 'none' should capture but not report errors. 
PASS Push and pop many error scopes with no rejections. 
PASS Catch many errors in nested scopes.