refactor(@schematics/angular): improve code quality in jasmine-vitest… #2307

Job	Run time
list	23s
workflow (build-cli)	1m 35s
workflow (devkit-core-tests-rerun)	1m 21s
workflow (devkit-core-tests)	1m 14s
workflow (modules-builder-tests)	1m 36s
workflow (build-unit-tests)	2m 14s
	8m 23s

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