Add some isolation tests for deadlock detection and resolution.

Robert Haas <rhaas@postgresql.org>

Commit: 4c9864b9b4d87d02f07f40bb27976da737afdcab
Author: Robert Haas <rhaas@postgresql.org>
Date: 2016-02-11T13:38:09Z
Releases: 9.6.0
Add some isolation tests for deadlock detection and resolution.

Previously, we had no test coverage for the deadlock detector.

Files