public async Task InvokeAsync_NextThrowException_ReturnsStatusCode500([Frozen] RequestDelegate next,
HttpContext context,
ExceptionMiddleware sut)
{
next.WhenForAnyArgs(x => x(Arg.Any <HttpContext>())).Throw(new Exception());
Func <Task> func = async() => await sut.InvokeAsync(context).ConfigureAwait(false);
await func.Should().NotThrowAsync().ConfigureAwait(false);
context.Response.StatusCode.Should().Be((int)HttpStatusCode.InternalServerError);
}