diff --git a/tests/test_api.py b/tests/test_api.py
index 013e5065..4b24704d 100644
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -16,6 +16,8 @@ class MockPostgresql(Mock):
     name = 'test'
     state = 'running'
     role = 'master'
+    server_version = '999999'
+    scope = 'dummy'
 
     def connection(self):
         return psycopg2_connect()
@@ -51,6 +53,7 @@ class MockPatroni:
     ha = MockHa()
     dcs = Mock()
     tags = {}
+    version = '0.00'
 
 
 class MockRequest:
diff --git a/tests/test_etcd.py b/tests/test_etcd.py
index e9a334c8..443dc2d8 100644
--- a/tests/test_etcd.py
+++ b/tests/test_etcd.py
@@ -40,6 +40,9 @@ class MockResponse:
 
 class MockPostgresql(Mock):
 
+    server_version = '999999'
+    scope = 'dummy'
+
     def last_operation(self):
         return '0'
 
diff --git a/tests/test_ha.py b/tests/test_ha.py
index d9a408a4..9ff6547d 100644
--- a/tests/test_ha.py
+++ b/tests/test_ha.py
@@ -48,6 +48,8 @@ class MockPostgresql(Mock):
     role = 'replica'
     state = 'running'
     connection_string = 'postgres://foo@bar/postgres'
+    server_version = '999999'
+    scope = 'dummy'
 
     def is_healthy(self):
         return True