refactor: Migrate Instance Manager Tests to TypeScript #2148

Job	Run time
Build Distribution Bundle	38s
Test Jest (16.x)	32s
Test Jest (17.x)	40s
Test Jest (18.x)	25s
Test Jest (19.x)	31s
Test Jest (20.x)	24s
Get Bundle Size from Current Branch	26s
Get Bundle Size from Master	12s
Core Tests / Core SDK Tests	1m 49s
Calculate Bundled Diff / Calculate Bundle Size Difference	9s
Generate Report	1s
Integration Tests: Browserfy Common JS	0s
Test Stub	0s
Integration Tests: webpack Module JS	0s
Integration Tests: webpack Common JS	0s
Integration Tests: Rollup Common JS	0s
Integration Tests: Require JS	0s
Integration Tests: Rollup Module JS	0s
Save PR Number for Dependabot Automerge	0s
	5m 47s

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