Test utils update to fix IT tests for serverless (#2869) #1708

Job	Run time
security-it-windows-macos (windows-latest, 11)	3m 43s
security-it-windows-macos (windows-latest, 17)	4m 29s
security-it-windows-macos (windows-latest, 21)	4m 2s
security-it-windows-macos (macos-13, 11)	6m 55s
security-it-windows-macos (macos-13, 17)	5m 25s
security-it-windows-macos (macos-13, 21)	5m 46s
Get-CI-Image-Tag / Get-CI-Image-Tag	9s
security-it-linux (11)	4m 2s
security-it-linux (17)	3m 57s
security-it-linux (21)	3m 52s
	42m 20s

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