public async Task <IEnumerable <TModel> > FindAsync() => (await Collection.FindAsync(m => true)).ToEnumerable();
public async Task FindAsync_NoArgument_FindAsyncCalled()
{
await _repository.FindAsync();
A.CallTo(() => _collection.FindAsync(A <Expression <Func <AnyModel, bool> > > .Ignored)).MustHaveHappenedOnceExactly();
}