Here is the snippet from the test/java/util/Locale/data/deflocale.win7 log file:

---
OS Locale (lcid: 1409, name: en-NZ): English (New Zealand) - 1252
default locale: ID: en_US, Name: English (United States)
display locale: ID: en_US, Name: English (United States)
format locale: ID: en_US, Name: English (United States)
default charset: windows-1252
---

The "format locale" should be "en_NZ" here.