Refactor tokens to use build tag fixtures.
diff --git a/rackspace/identity/v2/tokens/delegate_test.go b/rackspace/identity/v2/tokens/delegate_test.go
index 9f9b321..6678ff4 100644
--- a/rackspace/identity/v2/tokens/delegate_test.go
+++ b/rackspace/identity/v2/tokens/delegate_test.go
@@ -1,145 +1,20 @@
 package tokens
 
 import (
-	"fmt"
-	"net/http"
 	"testing"
-	"time"
 
 	"github.com/rackspace/gophercloud"
-	"github.com/rackspace/gophercloud/openstack/identity/v2/tenants"
 	os "github.com/rackspace/gophercloud/openstack/identity/v2/tokens"
 	th "github.com/rackspace/gophercloud/testhelper"
+	"github.com/rackspace/gophercloud/testhelper/client"
 )
 
-var expectedToken = &os.Token{
-	ID:        "aaaabbbbccccdddd",
-	ExpiresAt: time.Date(2014, time.January, 31, 15, 30, 58, 0, time.UTC),
-	Tenant: tenants.Tenant{
-		ID:          "fc394f2ab2df4114bde39905f800dc57",
-		Name:        "test",
-		Description: "There are many tenants. This one is yours.",
-		Enabled:     true,
-	},
-}
-
-var expectedServiceCatalog = &os.ServiceCatalog{
-	Entries: []os.CatalogEntry{
-		os.CatalogEntry{
-			Name: "inscrutablewalrus",
-			Type: "something",
-			Endpoints: []os.Endpoint{
-				os.Endpoint{
-					PublicURL: "http://something0:1234/v2/",
-					Region:    "region0",
-				},
-				os.Endpoint{
-					PublicURL: "http://something1:1234/v2/",
-					Region:    "region1",
-				},
-			},
-		},
-		os.CatalogEntry{
-			Name: "arbitrarypenguin",
-			Type: "else",
-			Endpoints: []os.Endpoint{
-				os.Endpoint{
-					PublicURL: "http://else0:4321/v3/",
-					Region:    "region0",
-				},
-			},
-		},
-	},
-}
-
 func tokenPost(t *testing.T, options gophercloud.AuthOptions, requestJSON string) os.CreateResult {
 	th.SetupHTTP()
 	defer th.TeardownHTTP()
+	os.HandleTokenPost(t, requestJSON)
 
-	client := gophercloud.ServiceClient{Endpoint: th.Endpoint()}
-
-	th.Mux.HandleFunc("/tokens", func(w http.ResponseWriter, r *http.Request) {
-		th.TestMethod(t, r, "POST")
-		th.TestHeader(t, r, "Content-Type", "application/json")
-		th.TestHeader(t, r, "Accept", "application/json")
-		th.TestJSONRequest(t, r, requestJSON)
-
-		w.WriteHeader(http.StatusOK)
-		fmt.Fprintf(w, `
-{
-  "access": {
-    "token": {
-      "issued_at": "2014-01-30T15:30:58.000000Z",
-      "expires": "2014-01-31T15:30:58Z",
-      "id": "aaaabbbbccccdddd",
-      "tenant": {
-        "description": "There are many tenants. This one is yours.",
-        "enabled": true,
-        "id": "fc394f2ab2df4114bde39905f800dc57",
-        "name": "test"
-      }
-    },
-    "serviceCatalog": [
-      {
-        "endpoints": [
-          {
-            "publicURL": "http://something0:1234/v2/",
-            "region": "region0"
-          },
-          {
-            "publicURL": "http://something1:1234/v2/",
-            "region": "region1"
-          }
-        ],
-        "type": "something",
-        "name": "inscrutablewalrus"
-      },
-      {
-        "endpoints": [
-          {
-            "publicURL": "http://else0:4321/v3/",
-            "region": "region0"
-          }
-        ],
-        "type": "else",
-        "name": "arbitrarypenguin"
-      }
-    ]
-  }
-}
-    `)
-	})
-
-	return Create(&client, WrapOptions(options))
-}
-
-func tokenPostErr(t *testing.T, options gophercloud.AuthOptions, expectedErr error) {
-	th.SetupHTTP()
-	defer th.TeardownHTTP()
-
-	client := gophercloud.ServiceClient{Endpoint: th.Endpoint()}
-
-	th.Mux.HandleFunc("/tokens", func(w http.ResponseWriter, r *http.Request) {
-		th.TestMethod(t, r, "POST")
-		th.TestHeader(t, r, "Content-Type", "application/json")
-		th.TestHeader(t, r, "Accept", "application/json")
-
-		w.WriteHeader(http.StatusOK)
-		fmt.Fprintf(w, `{}`)
-	})
-
-	actualErr := Create(&client, WrapOptions(options)).Err
-	th.CheckEquals(t, expectedErr, actualErr)
-}
-
-func isSuccessful(t *testing.T, result os.CreateResult) {
-	token, err := result.ExtractToken()
-	th.AssertNoErr(t, err)
-	th.CheckDeepEquals(t, expectedToken, token)
-
-	serviceCatalog, err := result.ExtractServiceCatalog()
-	th.AssertNoErr(t, err)
-	th.CheckDeepEquals(t, expectedServiceCatalog, serviceCatalog)
+	return Create(client.ServiceClient(), WrapOptions(options))
 }
 
 func TestCreateTokenWithAPIKey(t *testing.T) {
@@ -148,7 +23,7 @@
 		APIKey:   "1234567890abcdef",
 	}
 
-	isSuccessful(t, tokenPost(t, options, `
+	os.IsSuccessful(t, tokenPost(t, options, `
     {
       "auth": {
         "RAX-KSKEY:apiKeyCredentials": {