Add Slack and mail receiver to AlertManager config

Change-Id: Ib82ef0a7d029f84a7f92a90384bac02a0870b521
diff --git a/tests/pillar/alertmanager.sls b/tests/pillar/alertmanager.sls
index d22c28f..f15cd2c 100644
--- a/tests/pillar/alertmanager.sls
+++ b/tests/pillar/alertmanager.sls
@@ -38,6 +38,18 @@
           webhook_configs:
             - url: http://127.0.0.1
               send_resolved: true
+        - name: 'HTTP-slack'
+          slack_configs:
+            - api_url: http://127.0.0.1/slack
+              send_resolved: true
+        - name: 'smtp'
+          email_configs:
+            - to: test@example.com
+              from: test@example.com
+              smarthost: example.com
+              auth_username: username
+              auth_password: password
+              send_resolved: true
 docker:
   host:
     enabled: true