A simple script fro creating test user accounts in AD.

Create-TestUsers.ps1

# Number of user accounts to create
$UserCount = 5
$RandomPassword = $true
$DefaultPassword = 'Pa55w.rd'
# User name prefix
# New user object will be named TestUser1, TestUser2, ...
$TestUserPrefix = 'TestUser'

# User object properties
$GivenName = 'Test'
$Surname = 'User'
$Company = 'Varunagroup'
$JobTitle = @('Junior Consultant', 'Senior Consultant', 'Technical Consultant', 'Business Consultant')
$PreferredLanguage = 'de-DE'

# Name of the new organizational unit for test user object
$TestOU = 'Test User'

# Target OU path where the script creates the new OU 
$TargetOU = 'OU=IT,dc=varunagroup,dc=de'

# Import Active Directory PowerShell Module
Import-Module -Name ActiveDirectory 

# Build OU Path$UserOUPath = ("OU={0},{1}" -f $TestOU, $TargetOU)
# Check if OU exists
$OUExists = $false
try {   
    $OUExists = [adsi]::Exists("LDAP://$UserOUPath")
}
catch { $OUExists = $true }
if (-not $OUExists) {    
    # Create new organizational unit for test users   
    New-ADOrganizationalUnit -Name $TestOU -Path $TargetOU -ProtectedFromAccidentalDeletion:$false -Confirm:$false
}
else {
    Write-Warning ('OU {0} exists please delete the OU and user objects manually, before running this script.' -f $UserOUPath)   
    Exit
}
Write-Output ("Creating {0} user object in {1}" -f $UserCount, $UserOUPath)

# Create new user objects
1..$UserCount | ForEach-Object {   
    # Get a random number for selecting a job title   
    $random = Get-Random -Minimum 0 -Maximum (($JobTitle | Measure-Object). Count - 1)   
    # Set user password   
    if ($RandomPassword) {     
        # Create a random password      
        $UserPassword = ConvertTo-SecureString -String ( -join ((33..93) + (97..125) | Get-Random -Count 25 | ForEach-Object { [char]$_ })) -AsPlainText -Force   
    }   
    else {      
        # Use a fixed password      
        $UserPassword = ConvertTo-SecureString -String $DefaultPassword -AsPlainText -Force   
    }   
    # Create a new user object   
    # Adjust user name template and other attributes as needed   
    New-ADUser -Name ("{0}{1}" -f $TestUserPrefix, $_) -DisplayName ("{0} {1}" -f $TestUserPrefix, $_) -GivenName $GivenName -Surname ("$Surname{0}" -f $_) `
        -OtherAttributes @{title = $JobTitle[$random]; company = $Company; preferredLanguage = $PreferredLanguage } `
        -Path $UserOUPath `
        -AccountPassword $UserPassword `
        -Enabled:$True `
        -Confirm:$false
}