Trying to create a powershell script to Delete Exchange Emails - powershell

Question

So I am working on a powershell script that will delete suspected phishing emails from emails mailboxes across the org that match a certain subject line and date. To have the script work i need it to loop at the Get-ComplianceSearch -Identity xxxx part until the status equals complete, but I cannot seem to get it to work and I am not the greatest at powershell. Here is what I have so far:
#it is probably easiest to open this script in Powershell ISE so you can edit the parameters that will match whatever email needs to be deleted
Get-ExecutionPolicy
Set-ExecutionPolicy RemoteSigned
#You will enter your main account username and password(not su, since it has to be an active mail account)
$LiveCred = Get-Credential
$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri http://XXX-XXXX/powershell/ -Credential $LiveCred
Import-PSSession $Session -AllowClobber
#You should now be logged into XXX-XXXX via powershell
#The following will work with the Compliance Center in Exchange to search through all mailboxes and delete a specific email as long as it matches the tags
New-ComplianceSearch `
-Name Test9 `
-ExchangeLocation All `
-ContentMatchQuery 'subject:"INTRODUCING: A new way to consult Cisco experts" AND sent:08/01/2022'
#It should run and you should see the name of the job and that it has NotStarted
Start-ComplianceSearch -Identity Test9
#Just keep entering this next command until you see the status as completed
$GetResults = Get-ComplianceSearch -Identity Test9
Get-ComplianceSearch -Identity Test9
if (Get-ComplianceSearch | Where-Object {$GetResults_.Status -eq "InProgress";})
{
Get-ComplianceSearch -Identity Test9
}
else
{
New-ComplianceSearchAction -SearchName Test9 -Purge
}
exit
So you see the part where it says "#Just Keep entering this next command until you see the status as completed" is the part that I am trying to automate. Normally without scripting you would just keep running the Get-ComplianceSearch - Identity xxxx until you see completed then run the New-ComplianceSearchAction to purge the emails, but in the code posted above I have been trying to thow in an if loop statement to have it continually run that until the status is completed.