sdk: fail fast when spawn manager is disabled #214

Job	Run time
Coverage (upload)	34s
Storage Tests (Node 18 \| macos-latest)	2m 39s
Storage Tests (Node 22 \| ubuntu-latest)	2m 20s
Storage Tests (Node 22 \| macos-latest)	2m 21s
Storage Tests (Node 18 \| ubuntu-latest)	5m 24s
Storage Tests (Node 20 \| macos-latest)	1m 59s
Storage Tests (Node 20 \| ubuntu-latest)	1m 53s
	17m 10s

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