Add HA test "kill keepalived, haproxy"

- also added time sync on '*' minions
  after reverting snapshot in the salt_deployed fixture;
  and after making a snapshot in the other fixtures

Change-Id: Ia5c5363bf55399422785f66e88e861c23cfab531
diff --git a/tcp_tests/fixtures/k8s_fixtures.py b/tcp_tests/fixtures/k8s_fixtures.py
index 3cacbaf..356a51b 100644
--- a/tcp_tests/fixtures/k8s_fixtures.py
+++ b/tcp_tests/fixtures/k8s_fixtures.py
@@ -38,7 +38,7 @@
 @pytest.mark.revert_snapshot(ext.SNAPSHOT.k8s_deployed)
 @pytest.fixture(scope='function')
 def k8s_deployed(revert_snapshot, request, config, hardware, underlay,
-                 common_services_deployed, k8s_actions):
+                 common_services_deployed, salt_deployed, k8s_actions):
     """Fixture to get or install k8s on environment
 
     :param revert_snapshot: fixture that reverts snapshot that is specified
@@ -71,6 +71,7 @@
         commands = underlay.read_template(steps_path)
         k8s_actions.install(commands)
         hardware.create_snapshot(ext.SNAPSHOT.k8s_deployed)
+        salt_deployed.sync_time()
 
     # Workaround for keepalived hang issue after env revert from snapshot
     # see https://mirantis.jira.com/browse/PROD-12038