Updating extensions URLs to use service client initialization
diff --git a/openstack/networking/v2/extensions/delegate_test.go b/openstack/networking/v2/extensions/delegate_test.go
index 8de8906..5d82203 100755
--- a/openstack/networking/v2/extensions/delegate_test.go
+++ b/openstack/networking/v2/extensions/delegate_test.go
@@ -6,16 +6,16 @@
 	"testing"
 
 	common "github.com/rackspace/gophercloud/openstack/common/extensions"
+	fake "github.com/rackspace/gophercloud/openstack/networking/v2/common"
 	"github.com/rackspace/gophercloud/pagination"
 	th "github.com/rackspace/gophercloud/testhelper"
-	fake "github.com/rackspace/gophercloud/testhelper/client"
 )
 
 func TestList(t *testing.T) {
 	th.SetupHTTP()
 	defer th.TeardownHTTP()
 
-	th.Mux.HandleFunc("/extensions", func(w http.ResponseWriter, r *http.Request) {
+	th.Mux.HandleFunc("/v2.0/extensions", func(w http.ResponseWriter, r *http.Request) {
 		th.TestMethod(t, r, "GET")
 		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
 
@@ -73,7 +73,7 @@
 	th.SetupHTTP()
 	defer th.TeardownHTTP()
 
-	th.Mux.HandleFunc("/extensions/agent", func(w http.ResponseWriter, r *http.Request) {
+	th.Mux.HandleFunc("/v2.0/extensions/agent", func(w http.ResponseWriter, r *http.Request) {
 		th.TestMethod(t, r, "GET")
 		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)