Replace usage of $MyInvocation.MyCommand.Path with $PSScriptRoot and cleanup tests as a preparation for Pester v5 - #1438

Replace usage of $MyInvocation.MyCommand.Path with $PSScriptRoot and cleanup tests as a preparation for Pester v5#1438

Christoph Bergmeister (bergmeister) merged 4 commits into

PowerShell:masterPowerShell/PSScriptAnalyzer:masterfrom

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