test: try to unflaky test-profile.t
That test rely on timing measurement, because it is about timing measurement. We
try to filter out the most common source of flakyness (slow disk stating)
--- a/tests/test-profile.t Fri Oct 02 18:40:39 2020 +0530
+++ b/tests/test-profile.t Fri Oct 02 10:29:22 2020 +0200
@@ -87,7 +87,7 @@
Various statprof formatters work
$ hg --profile --config profiling.statformat=byline sleep 2>../out || cat ../out
- $ head -n 3 ../out
+ $ grep -v _path_stat ../out | head -n 3
% cumulative self
time seconds seconds name
* sleepext.py:*:sleep (glob)