Get parameter value from Mock without using $script: scope

get-parmeter-value.tests.ps1

# Keeping a value from a mock call, or some other place 
# while avoiding $script: to keep script scope clean 

Describe "a" { 
    It 'Test' {
        function Get-GitHubRelease ($Release) { }

        # use a reference object instead of directly assiging to a 
        # variable to collect the values from a mock call
        $container = @{}
        Mock Get-GitHubRelease {
            $container.Release = $Release
        }
        Get-GitHubRelease -Release 89723498
        $container.Release | Should -Be 89723498
    }
}