Pass gateway_code to choose if multiple Amazon gateway instances #358

Job	Run time
Unit test (Chrome)	1m 58s
Unit test (Safari-Remote)	24m 26s
Unit test (Firefox)	2m 22s
Unit test (Edge-Remote)	24m 26s
Integration test with react-recurly	1m 22s
Unit test (Electron)	2m 27s
Check	33s
Unit test (iOS-16-Remote)	24m 26s
Unit test (iOS-15-Remote)	24m 24s
Unit test (Android-13-Remote)	24m 26s
Unit test (Android-12-Remote)	24m 25s
Unit test (Android-11-Remote)	24m 25s
End-to-end test	0s
Verify required checks	1s
Publish artifacts	0s
	2h 59m 41s

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