tests/gem_reset_stats: add defer-hangcheck test
tests/gem_reset_stats: add defer-hangcheck test

to see if one can fool hangcheck by keeping non hanging
ring busy

v2: break from loop instead of return (Daniel Vetter)

Cc: Chris Wilson <711c73f64afdce07b7e38039a96d2224209e9a6c@chris-wilson.co.uk>
Signed-off-by: Mika Kuoppala <cd221c71e765d1ce593d15b204fee351fb09fd98@intel.com>

erikarn/intel-gpu-tools,chenxianqin/intel-gpu-tools,erikarn/intel-gpu-tools,yipdw/intel-gpu-tools,yipdw/intel-gpu-tools,chenxianqin/intel-gpu-tools,yipdw/intel-gpu-tools,mv0/intel-gpu-tools,mv0/intel-gpu-tools,erikarn/intel-gpu-tools,tiagovignatti/intel-gpu-tools,tiagovignatti/intel-gpu-tools,tiagovignatti/intel-gpu-tools,dlespiau/checkmate-test-igt,tiagovignatti/intel-gpu-tools,dlespiau/checkmate-test-igt,erikarn/intel-gpu-tools,dlespiau/checkmate-test-igt,yipdw/intel-gpu-tools,chenxianqin/intel-gpu-tools,dlespiau/checkmate-test-igt,mv0/intel-gpu-tools,chenxianqin/intel-gpu-tools,mv0/intel-gpu-tools