Test Polyfills

Adds `Intl.DurationFormat` #209

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Run time

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Job	Run time
test (ie)	6m 21s
test (android)	29s
test (chrome/1 - 50)	8m 51s
test (chrome/51 - 100)	9m 12s
test (chrome/>= 101)	2m 39s
test (edge)	2m 12s
test (firefox/1 - 50)	5m 56s
test (firefox/51 - 100)	9m 28s
test (firefox/>= 101)	4m 20s
test (ios)	2m 0s
test (safari)	2m 13s
	53m 41s