test: improve resilience of asset timestamp E2E test #800

Job	Run time
list	27s
workflow (build-cli)	1m 24s
workflow (modules-builder-tests)	1m 42s
workflow (devkit-core-tests)	1m 9s
workflow (devkit-core-tests-rerun)	1m 14s
workflow (build-unit-tests)	2m 19s
	8m 15s

Provide feedback