Steps to reproduce ------------------ ```PowerShell cd PSScriptAnalyzer ./build.ps1 -All Import-Module .\out\PSScriptAnalyzer\PSScriptAnalyzer.psd1 ./build.ps1. -Test ``` Expected behavior ----------------- all tests pass. Actual behavior ---------------   RuntimeException: A null key is not allowed in a hash literal. UseCompatibleTypes.Tests.ps1& UseCompatibleCommands.Tests.ps1 failed. Environment data ---------------- <!-- Provide the output of the following 2 commands --> ```PowerShell > $PSVersionTable Name Value ---- ----- PSVersion 5.1.19041.1023 PSEdition Desktop PSCompatibleVersions {1.0, 2.0, 3.0, 4.0...} BuildVersion 10.0.19041.1023 CLRVersion 4.0.30319.42000 WSManStackVersion 3.0 PSRemotingProtocolVersion 2.3 SerializationVersion 1.1.0.1 PesterVersion 5.2.2