Philip Chimento ac9ff9bf75 Add coverage for remapping of eras in Temporal dates ...

See note 2 on eras in CalendarResolveFields:
https://tc39.es/proposal-temporal/#sec-temporal-calendarresolvefields

This behaviour was not yet covered by any test262 tests.

Based on Anba's tests from https://github.com/tc39/test262/pull/4080 but
with different behaviour.

2025-04-29 13:45:50 +02:00

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