public async Task CreateAndClearAsyncCachedObjects()
{
sut.BindAsyncFactory <AsyncCreatable>().AsSingleton();
var(clear, fact) = sut.Get <(Action, Func <int, Func <string, Task <AsyncCreatable> > >)>();
var ret = await fact(1)("Hello World");
var ret2 = await fact(10)("aaa");
Assert.Equal(1, ret2.A);
Assert.Equal("Hello World", ret2.B);
Assert.Equal(ret, ret2);
clear();
var ret3 = await fact(200)("new");
Assert.NotEqual(ret, ret3);
Assert.Equal(200, ret3.A);
Assert.Equal("new", ret3.B);
}