Simplify publication/subscription tests a bit

Peter Eisentraut <peter_e@gmx.net>

Commit: bd1827c7c961568eabe850df254c60d175bec195
Author: Peter Eisentraut <peter_e@gmx.net>
Date: 2017-03-15T20:52:12Z
Releases: 10.0
Simplify publication/subscription tests a bit

After testing RENAME TO, rename the object back.  This reduces the merge
mess when subsequent patches add test cases before or after the rename
test.

Files