Address review feedback for #5163: complete test coverage and use isF… #162

Job	Run time
security-it-windows-macos (macos-14, 25)	4m 32s
security-it-windows-macos (windows-latest, 21)	5m 56s
security-it-windows-macos (windows-latest, 25)	6m 3s
security-it-windows-macos (macos-14, 21)	4m 6s
Get-CI-Image-Tag / Get-CI-Image-Tag	8s
security-it-linux (25)	6m 4s
security-it-linux (21)	8m 7s
	34m 56s

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