chore: handles offline mode, no initializers nor synchronizers #269

Job	Run time
test-platforms-and-versions (ubuntu-latest, 8)	3m 42s
test-contract-tests	4m 15s
test-platforms-and-versions (ubuntu-latest, 19)	3m 41s
test-platforms-and-versions (ubuntu-latest, 11)	3m 40s
test-platforms-and-versions (ubuntu-latest, 17)	3m 42s
test-packaging	4m 35s
	23m 35s

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