chore: update test script to allow running from anywhere and also clean up test results on each run

scripts/test.ps1

@@ -1,8 +1,18 @@
+$RepoRoot = Resolve-Path (Join-Path -Path $PSScriptRoot -ChildPath "..")
+
+Push-Location -Path $RepoRoot
+
+try {
   Write-Host "Starting test execution..." -ForegroundColor Magenta
   Write-Host ""
 
-dotnet test
+  $TestResultsPath = Join-Path -Path $RepoRoot -ChildPath "TestResults"
 
+  if (Test-Path $TestResultsPath) {
+    Remove-Item -Path $TestResultsPath -Recurse -Force
+  }
+
+  dotnet test
 
   $TestExitCode = $LASTEXITCODE
 
@@ -18,5 +28,9 @@ if ($TestExitCode -eq 0) {
   } else {
       Write-Host "FAILURE: Tests failed with exit code $TestExitCode. Skipping coverage report generation." -ForegroundColor Red
   }
+}
+finally {
+  Pop-Location
+}
 
 exit $TestExitCode