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

scripts/test.ps1

@@ -1,12 +1,22 @@
-Write-Host "Starting test execution..." -ForegroundColor Magenta
+$RepoRoot = Resolve-Path (Join-Path -Path $PSScriptRoot -ChildPath "..")
-Write-Host ""
 
-dotnet test
+Push-Location -Path $RepoRoot
 
+try {
+  Write-Host "Starting test execution..." -ForegroundColor Magenta
+  Write-Host ""
 
-$TestExitCode = $LASTEXITCODE
+  $TestResultsPath = Join-Path -Path $RepoRoot -ChildPath "TestResults"
 
-if ($TestExitCode -eq 0) {
+  if (Test-Path $TestResultsPath) {
+    Remove-Item -Path $TestResultsPath -Recurse -Force
+  }
+
+  dotnet test
+
+  $TestExitCode = $LASTEXITCODE
+
+  if ($TestExitCode -eq 0) {
       Write-Host ""
       Write-Host "Tests passed. Generating code coverage HTML report..." -ForegroundColor Magenta
       Write-Host ""
@@ -15,8 +25,12 @@ if ($TestExitCode -eq 0) {
 
       Write-Host ""
       Write-Host "SUCCESS: All tests passed and coverage report generated." -ForegroundColor Green
-} else {
+  } else {
       Write-Host "FAILURE: Tests failed with exit code $TestExitCode. Skipping coverage report generation." -ForegroundColor Red
+  }
+}
+finally {
+  Pop-Location
 }
 
 exit $TestExitCode