public static async Task Initialise(TestContext testContext)
        {
            config = new TestConfiguration(testContext);
            logger = new TestTraceTraceLogger(testContext);
            var clientFactory = new HttpClientFactory(config.WebApiUrl, config.Authentication.AuthenticationBaseUrl);
            var authClient    = clientFactory.CreateNewAuthenticationClient();

            serviceClient = clientFactory.CreateNewServiceClient();
            await InitialiseServiceClient(authClient);
        }