test: avoid forcing color on Windows #2010

Job	Run time
list	28s
workflow (devkit-core-tests)	1m 23s
workflow (build-cli)	1m 34s
workflow (build-unit-tests)	2m 4s
workflow (modules-builder-tests)	1m 48s
workflow (devkit-core-tests-rerun)	1m 32s
	8m 49s

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