test: allow dumping protocol packets via `-vvv` #4321

Job	Run time
Emulator arm	0s
Emulator (universal, debuglink, x86_64, noasan)	2m 51s
Firmware (universal, debuglink)	2m 51s
Emulator (btconly, debuglink, x86_64, noasan)	2m 48s
Firmware (btconly, debuglink)	2m 45s
Device test	1s
HWI test	1s
Upgrade test	1s
Upload emulator binaries	1s
UI diff from main branch	1s
	11m 20s

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