Test

sdk: fail fast when spawn manager is disabled #1755

Job	Run time
Coverage (upload)	2m 20s
Rust Tests (relay-pty) (macos-latest)	1m 2s
test (ubuntu-latest, 20)	2m 26s
Rust Tests (relay-pty) (ubuntu-latest)	50s
test (ubuntu-latest, 22)	2m 15s
test (macos-latest, 20)	3m 23s
test (macos-latest, 22)	3m 13s
lint	22s
	15m 51s

Provide feedback