Emit errors using Write-Error

scripts/Common/Scripts/BrowserAutomation.ps1

@@ -110,7 +110,7 @@ $null = New-Module {
                 $result;
             }
             catch {
-                throw $Error;
+                Write-Error "$Error";
             }
         }
     }
@@ -156,7 +156,7 @@ $null = New-Module {
             if ($element) {
                 $Browser.FindElement([OpenQA.Selenium.By]::CssSelector($ButtonSelector)).Click();
             } else {
-                throw "Unable to find download button!";
+                Write-Error "Unable to find download button!";
             }
         };
     }

scripts/Common/Scripts/Operations.ps1

@@ -113,7 +113,7 @@ $null = New-Module {
         if (Test-Path $errorPath) {
             $errorMessage = Get-Content $errorPath;
             Remove-Item $errorPath;
-            throw $errorMessage;
+            Write-Error $errorMessage;
         }
     }