Add --times to e2e.go

Make each test available for execution --times times. Acts like a
multi-deck shoe. (Otherwise this is easily scriptable outside the
e2e.go command).

Useful for "I want to walk away for a few hours leaving some end-to-ends
running", until we have more stress tests. Also useful for detecting
flakes.

Note that I didn't tackle reporting, which is still pretty rudimentary
for e2e.go. Now it looks like:

2014/12/08 15:32:58 Passed tests: [basic.sh basic.sh basic.sh certs.sh certs.sh certs.sh goe2e.sh goe2e.sh goe2e.sh guestbook.sh guestbook.sh guestbook.sh monitoring.sh monitoring.sh monitoring.sh pd.sh pd.sh pd.sh private.sh private.sh private.sh services.sh services.sh services.sh update.sh update.sh update.sh]
2014/12/08 15:32:58 Failed tests: []

Easy enough to post-process.
I think the trouble is that it needs to be < # tests (although I'm not
positive about that)

On Tue, Dec 9, 2014 at 3:41 PM, Zach Loafman <notifications@github.com>
wrote:

> In hack/e2e.go
> <https://github.com/GoogleCloudPlatform/kubernetes/pull/2800#discussion-diff-21573269>
> :
>
> >  	}
> >
> > +	return
> > +}
> > +
> > +func PrintResults(results TestResults) bool {
>
> Oh, right. My other problem with TAP was that it seems to want a stable
> integer for the life of the test, for all time. Until the heat death of the
> universe. Is that true, or am I misreading it? So in this case, it feels
> like a stable hash of the name is about the only right thing.
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/GoogleCloudPlatform/kubernetes/pull/2800/files#r21573269>
> .
>