HandleCreateCDNServiceSuccessfully creates an HTTP handler at `/services` on the test handler mux that responds with a `Create` response.

HandleDeleteCDNServiceSuccessfully creates an HTTP handler at `/services/{id}` on the test handler mux that responds with a `Delete` response.

HandleGetCDNServiceSuccessfully creates an HTTP handler at `/services/{id}` on the test handler mux that responds with a `Get` response.

HandleListCDNServiceSuccessfully creates an HTTP handler at `/services` on the test handler mux that responds with a `List` response.

HandleUpdateCDNServiceSuccessfully creates an HTTP handler at `/services/{id}` on the test handler mux that responds with a `Update` response.