Fix installed flags

Fixed installed flags for sl, common_services and openstack
managers.

Change-Id: Ibfd9b8ea4d08ce45d4eb0ff4a697bfbfa7d56ec8
Reviewed-on: https://review.gerrithub.io/362214
Reviewed-by: Dennis Dmitriev <dis.xcom@gmail.com>
Tested-by: Dennis Dmitriev <dis.xcom@gmail.com>
diff --git a/tcp_tests/managers/openstack_manager.py b/tcp_tests/managers/openstack_manager.py
index 4b554a9..c67c3d5 100644
--- a/tcp_tests/managers/openstack_manager.py
+++ b/tcp_tests/managers/openstack_manager.py
@@ -31,4 +31,4 @@
     def install(self, commands):
         self.execute_commands(commands,
                               label='Install OpenStack services')
-        self.__config.common_services.common_services_installed = True
+        self.__config.openstack.openstack_installed = True