Fixed test_postgresql.py to include use_slots.

README.md

@@ -67,7 +67,7 @@ For an example file, see `postgres0.yml`.  Below is an explanation of settings:
   * *connect_address*: ip address + port through which Postgres is accessible from other nodes and applications.
   * *data_dir*: file path to initialize and store Postgres data files
   * *maximum_lag_on_failover*: the maximum bytes a follower may lag before it is not eligible become leader
-  * *use_slots*: whether or not to use replication_slots.  Must be False for PostgreSQL 9.3.
+  * *use_slots*: whether or not to use replication_slots.  Must be False for PostgreSQL 9.3, and you should comment out max_replication_slots.
   * *pg_hba*: list of lines which should be added to pg_hba.conf
     * *- host all all 0.0.0.0/0 md5*
   * *replication*

tests/test_postgresql.py

@@ -114,6 +114,7 @@ class TestPostgresql(unittest.TestCase):
                              'pg_hba': ['hostssl all all 0.0.0.0/0 md5', 'host all all 0.0.0.0/0 md5'],
                              'superuser': {'password': ''},
                              'admin': {'username': 'admin', 'password': 'admin'},
+                             'use_slots' : True,
                              'replication': {'username': 'replicator',
                                              'password': 'rep-pass',
                                              'network': '127.0.0.1/32'},