public async Task GridStatusCall(string payload, GridStatus expected)
{
var mockHttp = new MockHttpMessageHandler();
mockHttp
.When("http://localhost/api/system_status/grid_status")
.Respond("application/json", payload);
var mockClient = mockHttp.ToHttpClient();
mockClient.BaseAddress = new Uri("http://localhost");
var gatewayClient = new GatewayClient(mockClient);
var gridStatus = await gatewayClient.GetGridStatus();
Assert.AreEqual(expected.GridServicesActive, gridStatus.GridServicesActive);
Assert.AreEqual(expected.GridStatusGridStatus, gridStatus.GridStatusGridStatus);
}