[phobos] unittest failures for std.file and std.datetime

[Jonathan M Davis]

> > Dunno which is at fault, but I erratically get the following on Windows:
> > 
> > core.exception.AssertError at std.file(779): unittest failure
> > ----------------
> > 615138
> > 614FAF
> > 5952ED
> > 6098E6
> 
> It's trying to verify that the times from the file are correct - such as
> the time that the file was created. Unfortunately, it can't verify it
> exactly and so it has a bit of leeway in its check - 2 seconds.
> Apparently, on your machine, that leeway is too small. I believe that you
> increased the leeway on the Posix version of the test to 4 seconds just
> the other day because the leeway wasn't enough on your machine. It's the
> exact same problem here, only it's on Windows. Ideally, the tests would be
> exact, but they can't be, and 2 seconds was generally working. Apparently,
> it's still not enough however.

Ah, wait. You increased it on Windows. It was already 4 seconds on Linux for 
whatever reason. Is it still failing on your machine after you increased the 
leeway to 4 seconds?

- Jonathan M Davis