debian/tests: Set TZ=UTC.

debian/changelog

@@ -3,6 +3,7 @@ patroni (1.4.2-2) unstable; urgency=medium
   * Team upload.
   * debian/tests: Tidy /tmp/pgpass?.
   * debian/tests: Use zookeeperd when etcd-server is not available.
+  * debian/tests: Set TZ=UTC.
   * features/environment.py: Make "import consul" optional.
   * Bump DH compat to 10 to get systemd integration; patch patroni.service to
     start only if /etc/patroni/config.yml exists.

debian/tests/acceptance

@@ -4,6 +4,7 @@ set -e
 
 export LC_ALL=C.UTF-8
 export LANG=C.UTF-8
+export TZ=UTC # suppress UnknownTimeZoneError('Etc/UTC',)
 DCS=etcd
 
 if [ $(id -u) -eq 0 ]

debian/tests/test

@@ -4,6 +4,7 @@ set -e
 
 export LC_ALL=C.UTF-8
 export LANG=C.UTF-8
+export TZ=UTC # suppress UnknownTimeZoneError('Etc/UTC',)
 
 # clean up afterwards
 trap 'rm -f /tmp/pgpass?' 0 2 3 15