[Issue #261] fix tests

Author: gsmolk

tests/archive.py

@@ -2212,7 +2212,7 @@ def test_archive_get_prefetch_corruption(self):
             base_dir=os.path.join(module_name, fname, 'node'),
             set_replication=True,
             initdb_params=['--data-checksums'],
-            pg_options={'autovacuum': 'off', 'wal_keep_segments': '200'})
+            pg_options={'autovacuum': 'off'})
 
         self.init_pb(backup_dir)
         self.add_instance(backup_dir, 'node', node)

tests/helpers/ptrack_helpers.py

@@ -371,6 +371,9 @@ def make_simple_node(
             else:
                 options['ptrack_enable'] = 'on'
 
+        if node.major_version >= 13:
+            options['wal_keep_size'] = '200MB'
+
         # set default values
         self.set_auto_conf(node, options)