Slack.WebAPI/Public/api/Test-SlackWebAPI.ps1

function Test-SlackWebAPI {
    <#
    .SYNOPSIS
        Checks API calling code.
    .DESCRIPTION
        This function helps test your calling code.
    .PARAMETER Token
        A Slack API Token
    .PARAMETER Body
        A PowerShell object containing the calling code arguments.
    .LINK
        https://api.slack.com/methods/api.test
    .EXAMPLE
        Test-SlackWebAPI -Token $Token -Body $Body
    #>

    [CmdletBinding()]
    param(
        [string]
        $Token,

        [PSCustomObject]
        $Body
    )

    Invoke-SlackWebAPI -Token $Token -Method_Family "api.test" -Body $Body
}
Set-Alias -Name 'api.test' -Value 'Test-SlackWebAPI'