public async Task Invoke_DoesNotOverrideExistingHttpContextOnAccessor()
{
var accessor = Mock.Of <IHttpContextAccessor>();
accessor.HttpContext = new DefaultHttpContext();
var next = new RequestDelegate(ctx => Task.FromResult(0));
var context = CreateContext();
var mtc = CreateServiceProvider().GetRequiredService <MultitenantContainer>();
var mw = new MultitenantRequestServicesMiddleware(next, accessor, mtc);
await mw.Invoke(context);
Assert.NotSame(context, accessor.HttpContext);
}