Andres Freund <andres(at)anarazel(dot)de> writes:
> Accept that server might not be able to send error in crash recovery test.
piculet says you didn't cover all the bases:
https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=piculet&dt=2017-09-22%2017%3A10%3A01
Looks like you missed adding the "server closed the connection
unexpectedly" alternative to one of the three places.
regards, tom lane