Set to headless mode

Author: wakaleo

src/test/java/com/serenitydojo/playwright/AddingItemsToTheCartTest.java

@@ -27,7 +27,7 @@ static void setUpBrowser() {
         playwright = Playwright.create();
         browser = playwright.chromium().launch(
                 new BrowserType.LaunchOptions()
-                        .setHeadless(false)
+                        .setHeadless(true)
                         .setArgs(Arrays.asList("--no-sandbox", "--disable-extensions", "--disable-gpu"))
         );
         playwright.selectors().setTestIdAttribute("data-test");