[FSSDK-11100] JS - rewrite audience_avaluator tests in TypeScript #1015

Job	Run time
crossbrowser_and_umd_unit_tests	6h 0m 14s
lint	1m 3s
unit_tests (16)	1m 13s
unit_tests (18)	1m 6s
unit_tests (20)	1m 1s
unit_tests (22)	1m 0s
integration_tests / test	8s
fullstack_production_suite / test	6s
lint_markdown_files / lint	1m 7s
Coveralls coverage	0s
	6h 6m 58s

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