Removes requirement of specific environment variables during testing #551

Job	Run time
docs-pr	2s
spell check with typos	3s
rust / build (hyperv, amd, debug)	16m 51s
fuzzing / fuzz	9m 56s
rust / build (hyperv, amd, release)	25m 10s
rust / build (hyperv, intel, debug)	17m 1s
rust / build (hyperv, intel, release)	24m 29s
rust / build (mshv, amd, debug)	11m 17s
rust / build (mshv, amd, release)	14m 44s
rust / build (mshv, intel, debug)	10m 9s
rust / build (mshv, intel, release)	15m 9s
rust / build (kvm, amd, debug)	11m 43s
rust / build (kvm, amd, release)	15m 8s
rust / build (kvm, intel, debug)	10m 1s
rust / build (kvm, intel, release)	14m 19s
	3h 16m 2s

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