build: configure Jasmine to allow duplicate describe block names #2960

Job	Run time
list	26s
workflow (devkit-core-tests-rerun)	1m 25s
workflow (modules-builder-tests)	1m 55s
workflow (devkit-core-tests)	1m 26s
workflow (build-unit-tests)	2m 23s
workflow (build-cli)	1m 46s
	9m 21s

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