add extract user method from get token's response include the unit and acceptance tests
diff --git a/openstack/identity/v2/tokens/requests_test.go b/openstack/identity/v2/tokens/requests_test.go
index 8b78c85..f1ec339 100644
--- a/openstack/identity/v2/tokens/requests_test.go
+++ b/openstack/identity/v2/tokens/requests_test.go
@@ -139,3 +139,14 @@
 
 	tokenPostErr(t, options, ErrPasswordRequired)
 }
+
+func tokenGet(t *testing.T, tokenId string) GetResult {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+	HandleTokenGet(t, tokenId)
+	return Get(client.ServiceClient(), tokenId)
+}
+
+func TestGetWithToken(t *testing.T) {
+	GetIsSuccessful(t, tokenGet(t, "db22caf43c934e6c829087c41ff8d8d6"))
+}