Fix sysinit test #95

Job	Run time
populate-targets	4s
newt dump (bleprph-nrf52840pdk, ubuntu-latest)	15s
newt dump (bleprph-nrf52840pdk, windows-latest)	1m 18s
newt dump (bleprph-nrf52840pdk, macos-latest)	44s
newt dump (boot-nrf52dk, ubuntu-latest)	19s
newt dump (boot-nrf52dk, windows-latest)	1m 18s
newt dump (boot-nrf52dk, macos-latest)	25s
newt dump (btshell-nrf52840pdk, ubuntu-latest)	15s
newt dump (btshell-nrf52840pdk, windows-latest)	1m 25s
newt dump (btshell-nrf52840pdk, macos-latest)	24s
newt dump (btshell-nrf52dk, ubuntu-latest)	19s
newt dump (btshell-nrf52dk, windows-latest)	1m 4s
newt dump (btshell-nrf52dk, macos-latest)	30s
newt dump (my_blinky_sim, ubuntu-latest)	20s
newt dump (my_blinky_sim, windows-latest)	1m 19s
newt dump (my_blinky_sim, macos-latest)	28s
	10m 27s

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