RFR: update-sync labels should be applied to all-bar-one records

[Robin Westberg]

On Tue, 29 Sep 2020 12:39:00 GMT, Rob McKenna <robm at openjdk.org> wrote:

>> The fix looks good to me. One question about the test: is the `assertNotLabeled` method really needed? It looks like
>> `assertLabeled` will fail unless the set of issues with the labels is exactly as expected (i.e., it will fail if it
>> finds an issue that should have the sync label but doesn't or if if find an issue that should not have the sync label
>> but does), unless I'm missing something.
>
> I think I like the lack of ambiguity in the name. I vote to leave it in, but if Robin objects I can remove it.

I don't mind keeping it if you think it makes the test more readable!

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PR: https://git.openjdk.java.net/skara/pull/848