Rackspace Auto Scale: Add webhooks Delete()
diff --git a/rackspace/autoscale/v1/webhooks/requests_test.go b/rackspace/autoscale/v1/webhooks/requests_test.go
index e06080a..0eed1c2 100644
--- a/rackspace/autoscale/v1/webhooks/requests_test.go
+++ b/rackspace/autoscale/v1/webhooks/requests_test.go
@@ -104,3 +104,14 @@
 
 	th.AssertNoErr(t, err)
 }
+
+func TestDelete(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+	HandleWebhookDeleteSuccessfully(t)
+
+	client := client.ServiceClient()
+	err := Delete(client, groupID, policyID, firstID).ExtractErr()
+
+	th.AssertNoErr(t, err)
+}