Re: pgsql: Prevent invalidation of newly synced replication slots.

I wrote:
> Robert Haas <robertmhaas@gmail.com> writes:
>> This commit has broken CI for me.

> Hmm, I wonder why the buildfarm seems fine with it ... I'm prepared
> to believe a Windows-only problem, but at least hamerkop has run
> since 851f664.

D'oh: hamerkop doesn't run any TAP tests, let alone ones that require
--enable-injection-points.  So that success proves nothing.

Our other Windows animals (drongo, fairywren, unicorn) seem to be
configured with -Dtap_tests=enabled, but nothing about injection
points, so they will also skip 046_checkpoint_logical_slot.
Seems like a bit of a blind spot in the buildfarm.

            regards, tom lane