Fix isolation test to be less timing-dependent
I did this by adding another locking process, which makes the other two
wait. This way the output should be stable enough.
Per buildfarm and Andres Freund
Discussion: https://postgr.es/m/20180103034445.t3utrtrnrevfsghm@alap3.anarazel.de
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/2268e6afd59649d6bf6d114a19e9c492d59b43fc
Modified Files
--------------
src/test/isolation/expected/multiple-cic.out | 17 +++++++++++------
src/test/isolation/specs/multiple-cic.spec | 12 ++++++++----
2 files changed, 19 insertions(+), 10 deletions(-)
