workaround for FF Private Window mode when cookies are preserved and localStorage is not

32 jobs for 892-minervanet-error-report-96 in 10 minutes and 31 seconds (queued for 2 seconds)
Name Stage Failure
failed
test:frontend Test

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Statements : 87.4% ( 16226/18565 )
Branches : 70.92% ( 3112/4388 )
Functions : 84.36% ( 3026/3587 )
Lines : 87.45% ( 16221/18548 )
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npm ERR! Test failed. See above for more details.
ERROR: Job failed: exit code 1