Mark k8s system tests with k8s_system mark

Change-Id: I0a1cb7e30648bdf9fd4f89c62fe08661b28c0117
Related-PROD: PROD-28588
diff --git a/tcp_tests/tests/system/test_k8s_actions.py b/tcp_tests/tests/system/test_k8s_actions.py
index d12fffc..c93e152 100644
--- a/tcp_tests/tests/system/test_k8s_actions.py
+++ b/tcp_tests/tests/system/test_k8s_actions.py
@@ -38,6 +38,7 @@
     @pytest.mark.fail_snapshot
     @pytest.mark.cz8116
     @pytest.mark.k8s_calico
+    @pytest.mark.k8s_system
     def test_k8s_externaldns_coredns(self, show_step, config, k8s_deployed):
         """Test externaldns integration with coredns
 
@@ -144,6 +145,7 @@
     @pytest.mark.grab_versions
     @pytest.mark.fail_snapshot
     @pytest.mark.k8s_metallb
+    @pytest.mark.k8s_system
     def test_k8s_metallb(self, show_step, config, k8s_deployed):
         """Enable metallb in cluster and do basic tests
 
@@ -199,6 +201,7 @@
     @pytest.mark.grab_versions
     @pytest.mark.fail_snapshot
     @pytest.mark.k8s_genie
+    @pytest.mark.k8s_system
     def test_k8s_genie_flannel(self, show_step, config,
                                salt_deployed, k8s_deployed):
         """Test genie-cni+flannel cni setup
@@ -318,6 +321,7 @@
     @pytest.mark.grab_versions
     @pytest.mark.fail_snapshot
     @pytest.mark.k8s_dashboard
+    @pytest.mark.k8s_system
     def test_k8s_dashboard(self, show_step, config,
                            salt_deployed, k8s_deployed):
         """Test dashboard setup
@@ -394,6 +398,7 @@
     @pytest.mark.grab_versions
     @pytest.mark.fail_snapshot
     @pytest.mark.k8s_ingress_nginx
+    @pytest.mark.k8s_system
     def test_k8s_ingress_nginx(self, show_step, config,
                                salt_deployed, k8s_deployed):
         """Test ingress-nginx configured and working with metallb