chore(authenticator): email otp tests #3831

Job	Run time
test / test-dart-vm (3.3.0)	2m 8s
test / test-dart-vm (stable)	2m 5s
dart2js_test / test-dart-2js (3.3.0, chrome)	4m 14s
dart2js_test / test-dart-2js (3.3.0, firefox)	4m 23s
dart2js_test / test-dart-2js (stable, chrome)	8m 48s
dart2js_test / test-dart-2js (stable, firefox)	4m 7s
native_test / test-dart-native (macos-14)	4m 7s
ddc_test / test-dart-ddc (3.3.0, chrome)	3m 52s
native_test / test-dart-native (windows-latest)	5m 39s
ddc_test / test-dart-ddc (3.3.0, firefox)	4m 6s
ddc_test / test-dart-ddc (stable, chrome)	3m 50s
ddc_test / test-dart-ddc (stable, firefox)	3m 52s
	51m 11s

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