System test for kibana module, xpack code path (#12506)

* System test for kibana module, xpack code path

* Adding skip annotation for integration tests

metricbeat/tests/system/test_kibana.py

@@ -47,6 +47,28 @@ def test_status(self):
 
         self.assert_fields_are_documented(evt)
 
+    @unittest.skipUnless(metricbeat.INTEGRATION_TESTS, "integration test")
+    def test_xpack(self):
+        """
+        kibana-xpack module tests
+        """
+        self.render_config_template(modules=[{
+            "name": "kibana",
+            "metricsets": [
+                "stats"
+            ],
+            "hosts": self.get_hosts(),
+            "period": "1s",
+            "extras": {
+                "xpack.enabled": "true"
+            }
+        }])
+
+        proc = self.start_beat()
+        self.wait_until(lambda: self.output_lines() > 0)
+        proc.check_kill_and_wait()
+        self.assert_no_logged_warnings()
+
     def get_hosts(self):
         return [self.compose_host("kibana")]