docs: fix interface-tests readme usage #228

Job	Run time	Billable time
js-test-and-release / check	2m 55s	0s
js-test-and-release / test-chrome	1m 22s	0s
js-test-and-release / test-node (windows-latest, lts/*)	4m 51s	0s
js-test-and-release / test-node (ubuntu-latest, lts/*)	1m 0s	0s
js-test-and-release / test-node (macos-latest, lts/*)	3m 13s	0s
js-test-and-release / test-chrome-webworker	1m 9s	0s
js-test-and-release / test-firefox-webworker	1m 36s	0s
js-test-and-release / test-firefox	1m 33s	0s
js-test-and-release / test-webkit-webworker (ubuntu-latest, lts/*)	11s	0s
js-test-and-release / test-electron-main	58s	0s
js-test-and-release / test-electron-renderer	13s	0s
js-test-and-release / test-webkit-webworker (macos-latest, lts/*)	2m 27s	0s
js-test-and-release / test-webkit (ubuntu-latest, lts/*)	11s	0s
js-test-and-release / test-webkit (macos-latest, lts/*)	2m 7s	0s
js-test-and-release / release-check	0s	0s
js-test-and-release / release	0s	0s
	23m 46s	0s

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