[FSSDK-11238] Test conversions notification_center and utils #1098

Job	Run time
lint	1m 14s
crossbrowser_and_umd_unit_tests	6h 0m 15s
unit_tests (16)	2m 0s
unit_tests (18)	1m 49s
unit_tests (20)	1m 49s
unit_tests (22)	1m 39s
fullstack_production_suite / test	5s
integration_tests / test	4s
lint_markdown_files / lint	1m 25s
Coveralls coverage	2s
	6h 10m 22s

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