Add method for resetting notification policies

Author: alexweav

alerting_notification_policy.go

@@ -118,3 +118,7 @@ func (c *Client) SetNotificationPolicy(np *NotificationPolicy) error {
 	}
 	return c.request("PUT", "/api/v1/provisioning/policies", nil, bytes.NewBuffer(req), nil)
 }
+
+func (c *Client) ResetNotificationPolicy() error {
+	return c.request("DELETE", "/api/v1/provisioning/policies", nil, nil, nil)
+}

alerting_notification_policy_test.go

@@ -36,6 +36,17 @@ func TestNotificationPolicies(t *testing.T) {
 			t.Error(err)
 		}
 	})
+
+	t.Run("reset policy tree succeeds", func(t *testing.T) {
+		server, client := gapiTestTools(t, 200, notificationPolicyJSON)
+		defer server.Close()
+
+		err := client.ResetNotificationPolicy()
+
+		if err != nil {
+			t.Error(err)
+		}
+	})
 }
 
 func createNotificationPolicy() NotificationPolicy {