fix the unit test for notebook-controller

[harshad16]

sync the downstream master with v1.7-branch to get fix for the unit test.

[openshift-ci]

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[harshad16]

/hold

Wait for some time.

[openshift-ci]

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• aslakknutsen
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  • components/notebook-controller/config/overlays/service-mesh/OWNERS
• bartoszmajsak
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• cam-garrison
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  • components/notebook-controller/config/overlays/service-mesh/OWNERS