fix(@angular/build): add upfront dependency validation for unit-test … #1887

Job	Run time
list	32s
workflow (build-unit-tests)	2m 20s
workflow (build-cli)	1m 43s
workflow (devkit-core-tests)	1m 17s
workflow (devkit-core-tests-rerun)	1m 21s
workflow (modules-builder-tests)	1m 49s
	9m 2s

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