LocaleDateFormatterChooser assumes locale is English

[Adam Winer]

At a minimum, the test fails for systems with a non-English locale.

I think that when the system locale is non-English, the chooser should generate hypotheses for both English and non-English formatting.

[scythebill]

Resolve Issue #534: LocaleDateFormatterChooser assumes locale is English

→ <<cset 1fdb1e5e052c>>