Only pass no-sandbox for Chromium

Author: agray

Playwright.NUnit.Testing/Base/TestBase.cs

@@ -16,10 +16,13 @@ public async Task OneTimeSetUpAsync() {
         _pw = await Microsoft.Playwright.Playwright.CreateAsync();
 
         var launch = new BrowserTypeLaunchOptions {
-            Headless = true,               // flip to false to watch the run
-            Args = ["--no-sandbox"]        // helpful in some CI agents
+            Headless = true
         };
 
+        if (_kind == BrowserKind.Chromium) {
+            launch.Args = ["--no-sandbox"];
+        }
+
         _browser = _kind switch {
             BrowserKind.Chromium => await _pw.Chromium.LaunchAsync(launch),
             BrowserKind.Firefox => await _pw.Firefox.LaunchAsync(launch),