Update cf/i18n/init_unix_test
Update cf/i18n/init_unix_test

* Remove JustBeforeEach
* Fix expectations: Expect(actual).To(Equal(expected))
* Remove test pollution (config_repo.SetLocale calls)
* Restructure tests
* More thorough tests with local setup

[#108574708]

hyenaspots/cli,hyenaspots/cli,hyenaspots/cli,hyenaspots/cli,markstgodard/cli,fujitsu-cf/cli,simonleung8/cli,cf-routing/cli,markstgodard/cli,cf-routing/cli,mcintyred/cli,fujitsu-cf/cli,simonleung8/cli,cf-routing/cli,markstgodard/cli,cf-routing/cli,simonleung8/cli,markstgodard/cli,fujitsu-cf/cli,mcintyred/cli,mcintyred/cli,mcintyred/cli