Add fixtures helper
diff --git a/testhelper/fixture/helper.go b/testhelper/fixture/helper.go
new file mode 100644
index 0000000..d54355d
--- /dev/null
+++ b/testhelper/fixture/helper.go
@@ -0,0 +1,31 @@
+package fixture
+
+import (
+	"fmt"
+	"net/http"
+	"testing"
+
+	th "github.com/rackspace/gophercloud/testhelper"
+	"github.com/rackspace/gophercloud/testhelper/client"
+)
+
+func SetupHandler(t *testing.T, url, method, requestBody, responseBody string, status int) {
+	th.Mux.HandleFunc(url, func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, method)
+		th.TestHeader(t, r, "X-Auth-Token", client.TokenID)
+
+		if requestBody != "" {
+			th.TestJSONRequest(t, r, requestBody)
+		}
+
+		if responseBody != "" {
+			w.Header().Add("Content-Type", "application/json")
+		}
+
+		w.WriteHeader(status)
+
+		if responseBody != "" {
+			fmt.Fprintf(w, responseBody)
+		}
+	})
+}