virtual interfaces operations & unit tests; networks unit tests
diff --git a/rackspace/networking/v2/virtualinterfaces/urls_test.go b/rackspace/networking/v2/virtualinterfaces/urls_test.go
index 4f91359..6732e4e 100644
--- a/rackspace/networking/v2/virtualinterfaces/urls_test.go
+++ b/rackspace/networking/v2/virtualinterfaces/urls_test.go
@@ -1 +1,32 @@
 package virtualinterfaces
+
+import (
+	"testing"
+
+	"github.com/rackspace/gophercloud"
+	th "github.com/rackspace/gophercloud/testhelper"
+)
+
+const endpoint = "http://localhost:57909/"
+
+func endpointClient() *gophercloud.ServiceClient {
+	return &gophercloud.ServiceClient{Endpoint: endpoint}
+}
+
+func TestCreateURL(t *testing.T) {
+	actual := createURL(endpointClient(), "12345")
+	expected := endpoint + "servers/12345/os-virtual-interfacesv2"
+	th.AssertEquals(t, expected, actual)
+}
+
+func TestListURL(t *testing.T) {
+	actual := createURL(endpointClient(), "12345")
+	expected := endpoint + "servers/12345/os-virtual-interfacesv2"
+	th.AssertEquals(t, expected, actual)
+}
+
+func TestDeleteURL(t *testing.T) {
+	actual := deleteURL(endpointClient(), "12345", "6789")
+	expected := endpoint + "servers/12345/os-virtual-interfacesv2/6789"
+	th.AssertEquals(t, expected, actual)
+}