extension GetCustomerRequest: Stubs {
    public var stubResponse: Data {
        return Data("""
            {
                "customerNumber": "123",
                "accounts": [
                    {
                        "accountId": "123",
                        "visaDocumentId": "abcdef"
                    },
                    {
                        "accountId": "456",
                        "visaDocumentId": "defgh"
                    }
                ]
            }
        """.utf8)
    }
}