RSDK-7958: Unskip TestRTPPassthrough. #15507

Job	Run time
appimage-ignore-tests	0s
static-ignore-tests	0s
macos / build	13m 9s
license_finder / Audit 3rd-Party Licenses	1m 24s
test / linux-amd64 Go Unit Tests	16m 2s
test / linux-arm64 Go Unit Tests	16m 24s
test / Test meta.json jsonschema	25s
test / Test Raspberry Pi Code	26s
test / Go Coverage Tests	0s
test / Test End-to-End and Web	4m 47s
test / Go 32-bit Unit Tests	11m 46s
test / Test Longer-running Motion Plans if affected / Check files	6s
test / Test Longer-running Motion Plans if affected / Motion Extended Tests	0s
test / All Tests Passing	1s
appimage	0s
static	0s
droid / droid-build	0s
	1h 4m 30s

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