Add test check before running the main Python script.

run_python_with_restart.ps1

@@ -9,6 +9,11 @@ function Run-PythonScript {
     return $process.ExitCode
 }
 
+function Run-Tests {
+    $process = Start-Process -FilePath "powershell" -ArgumentList "-File run_tests.ps1" -PassThru -Wait -NoNewWindow
+    return $process.ExitCode
+}
+
 function Git-Pull {
     git pull
     return $LASTEXITCODE -eq 0
@@ -17,6 +22,17 @@ function Git-Pull {
 $waitTime = 15
 while ($true) {    
     python -m pip install -r requirements.txt
+
+    Write-Host "Running tests..."
+    $testExitCode = Run-Tests
+    if ($testExitCode -ne 0) {
+        Write-Host "Tests failed. Waiting $waitTime seconds before next attempt..."
+        Start-Sleep -Seconds $waitTime
+        $waitTime *= 2
+        continue
+    }
+
+    Write-Host "Tests passed. Starting main Python script..."
     $exitCode = Run-PythonScript -ScriptPath $PythonFile
     
     if (Test-Path -Path ".\.doreboot") {