Override request body generation for API keys.
diff --git a/rackspace/identity/v2/tokens/delegate_test.go b/rackspace/identity/v2/tokens/delegate_test.go
index c289947..9f9b321 100644
--- a/rackspace/identity/v2/tokens/delegate_test.go
+++ b/rackspace/identity/v2/tokens/delegate_test.go
@@ -110,7 +110,7 @@
     `)
 	})
 
-	return Create(&client, options)
+	return Create(&client, WrapOptions(options))
 }
 
 func tokenPostErr(t *testing.T, options gophercloud.AuthOptions, expectedErr error) {
@@ -128,7 +128,7 @@
 		fmt.Fprintf(w, `{}`)
 	})
 
-	actualErr := Create(&client, options).Err
+	actualErr := Create(&client, WrapOptions(options)).Err
 	th.CheckEquals(t, expectedErr, actualErr)
 }