How to perform conditional looping using powershell - powershell

Question

I want to execute test cases using commands using PowerShell scripts.
How many time I want to execute those tests depend upon the $HowManyTimes variable.
It's possible that I get the success result before the $HowManyTimes
e.g As of now I set it to 3, but what if I get the successful result in the 2nd attempt itself.
I want to ignore that specific test case that got passed and proceed to execute the new test case.
I have copied the output of the command in $OutPut variable which looks like below
Not Imp Info
Errors, Failures and Warnings
Failed : UnitTestProject1.TestClass.AddTest()
Expected: 30
But was: 45
Not Imp Info
Test Run Summary
Overall result: Failed
Not Imp Info
Below if the script which I have written.
$XMLfile = 'Results.xml'
[XML]$Results = Get-Content $XMLfile
$HowManyTimes = 3 # How many time the script should run.
$TestCaseToExecute
$OutPut # Storing the result of command
$StopOperation = 0
for ($i=1; $i -le $HowManyTimes; $i++)
{
#I am reading the xml file which can have n test cases.
#For each loop on all the test case which are failed.
foreach($Result in $Results.'test-run'.'test-suite'.'test-suite'.'test-suite'.'test-suite'.'test-case' | Where-Object {$_.result -eq "Failed"})
{
Write-Host "Failed Test Case -- fullname :" ($Result).fullname
$TestCaseToExecute = ($Result).fullname
Write-Host " Executing ====>" $TestCaseToExecute
Write-Host "-----------------------------------------"
$OutPut = nunit3-console.exe UnitTestProject1\bin\Debug\UnitTestProject1.dll --test=$TestCaseToExecute | Out-String
if($OutPut -Like "*Overall result: Failed*"){
Write-Host "If Block"
continue
}else{
Write-Host "else block Stop : "
break
}
}
}
Please let me know what changes I need to make to achieve this.