I wrote:
> ... An obvious candidate is subscription/t/100_bugs.pl, but
> the test failed there for lack of access to the test_decoding plugin.
> Perhaps we could use another plugin, but I didn't try hard.
Ah, I realized we could just use pgoutput, since the test doesn't
actually do anything that would exercise the plugin. So here's
a v4 with the test restored.
regards, tom lane