Pester Test for script error checking

ASTCheck.ps1

 It "Is valid Powershell (Has no script errors)" {

                $contents = Get-Content -Path $module.FullName -ErrorAction Stop
                $errors = $null
             $null = [System.Management.Automation.PSParser]::Tokenize($contents, [ref]$errors)
                $errors.Count | Should Be 0
            }