Add create subnet operation
diff --git a/openstack/networking/v2/subnets/urls_tests.go b/openstack/networking/v2/subnets/urls_tests.go
index 95b179f..336e2fe 100644
--- a/openstack/networking/v2/subnets/urls_tests.go
+++ b/openstack/networking/v2/subnets/urls_tests.go
@@ -24,3 +24,9 @@
 	expected := Endpoint + "v2.0/subnets/foo"
 	th.AssertEquals(t, expected, actual)
 }
+
+func TestCreateURL(t *testing.T) {
+	actual := CreateURL(EndpointClient())
+	expected := Endpoint + "v2.0/subnets"
+	th.AssertEquals(t, expected, actual)
+}