Add test for install k8s wothout SL

Added test for install k8s without step for deploy slacklight.

Change-Id: I7660316d0c8c60a868df3b286353bcb50333954c
Reviewed-on: https://review.gerrithub.io/364739
Reviewed-by: Tatyanka Leontovich <tleontovich@mirantis.com>
Tested-by: Tatyanka Leontovich <tleontovich@mirantis.com>
diff --git a/tcp_tests/tests/system/test_install_k8s.py b/tcp_tests/tests/system/test_install_k8s.py
index 9fc4b0d..742ecc6 100644
--- a/tcp_tests/tests/system/test_install_k8s.py
+++ b/tcp_tests/tests/system/test_install_k8s.py
@@ -48,3 +48,14 @@
 
         """
         LOG.info("*************** DONE **************")
+
+    def test_only_k8s_install(self, underlay, openstack_deployed, show_step):
+        """Test for deploying an mcp environment and check it
+
+        Scenario:
+            1. Prepare salt on hosts
+            2. Setup controller nodes
+            3. Setup compute nodes
+
+        """
+        LOG.info("*************** DONE **************")
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