Fix regression testing false negative #3255
Open
+12
−9
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Fixes #3254 . See this action run:
https://github.com/verilog-to-routing/vtr-verilog-to-routing/actions/runs/17196322572/job/48779145751
The test has passed the CI but there are actually errors:

Why did it pass? Well there this piece of code:

But that's not the root cause. The QoR parsing script returned -1 in case of a mismatch between arch file name in the actual run and the golden results. In case of 1 run failure, the -1 would cancel the 1 and as a result the regression tests would pass while having errors. This commit fixes that by not throwing an exception in that specific case (Therefore not returning -1) and taking the absolute value of the QoR and run failures before summing them up.