chore(tests): make sure unit tests pass with different locales

[vladikoff]

Fixes #4437

@shane-tomlinson r?

[shane-tomlinson]

What if instead of calling a clearTranslationValues function, if we pass an option to the constructor to indicate "use the English values". My preference would be something like:

let translator = new Translator({ lang: 'en_US' });

But that'd imply we could force any language.

Maybe something like:

let translator = new Translator({ forceEnglish: true });

And in the constructor, if forceEnglish === true, set this.__translations = {}

Would that be cleaner?

[shane-tomlinson]

I think you should be able to just do a this.__translations__ = {}. get will see no translation exists for the key and use the key as the translation.

[shane-tomlinson]

This function is called outside of this module so isn't really private.

[vladikoff]

Would that be cleaner?

Yeah, sorry I tried that earlier but translator exploded. works now 👍