Use shorter fuel-devops node name

Change-Id: Ie2faeb2716c8e8ace44621a7db3b71402e90a4b9
diff --git a/tcp_tests/tests/environment/test_generate_model.py b/tcp_tests/tests/environment/test_generate_model.py
index a936bb5..7fc02bf 100644
--- a/tcp_tests/tests/environment/test_generate_model.py
+++ b/tcp_tests/tests/environment/test_generate_model.py
@@ -34,7 +34,7 @@
         commands = underlay.read_template(config.salt_deploy.salt_steps_path)
         salt_actions.install(commands)
 
-        node_name = underlay.get_target_node_names('cfg01.')[0]
+        node_name = underlay.get_target_node_names('cfg01')[0]
         arch_model_name = 'model_{0}.tar.gz'.format(settings.ENV_NAME)
         commands = [
             {