FIX js-api unit test unknown extension error #4459

Job	Run time
check-if-pr-is-approved	56s
pre-checks	10s
PR-forbidden-labels	11s
Setup	4m 12s
Build libs	10m 44s
Unit tests: js-api	1m 53s
Lint	4m 18s
Unit tests: content-services	4m 15s
Unit tests: core	3m 44s
Unit tests: insights	2m 10s
Unit tests: process-services	2m 52s
Unit tests: process-cloud	4m 8s
e2e: ${{ matrix.e2e-test.description }}	0s
e2e: storybook	0s
Final Results	15s
	39m 48s

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