[FSSDK-11100] JS - rewrite audience_avaluator tests in TypeScript (#1001)

* [FSSDK-11100] JS - rewrite audience_avaluator tests in TypeScript

* Fix test case

* Fix test cases

* type fix

* Fix failed test case

* [FSSDK-11100] test fix

* remove unnecessary restore

* update

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Co-authored-by: Raju Ahmed <raju.ahmed@optimizely.com>
Co-authored-by: Md Junaed Hossain <169046794+junaed-optimizely@users.noreply.github.com>

Author: 3 people