tests: Add core_setmaster_vs_auth.c
tests: Add core_setmaster_vs_auth.c

Embarrasingly I noticed that I need to git add the file when resolving
the conflict and manually applying my patch. But then I added the
wrong file ... Reported by Thomas Wood.

Signed-off-by: Daniel Vetter <c1b6782c4af8f0673da8923a0702a1832e5940f4@intel.com>

tiagovignatti/intel-gpu-tools,tiagovignatti/intel-gpu-tools,tiagovignatti/intel-gpu-tools,tiagovignatti/intel-gpu-tools