chore(): use headless=new for karma config

Author: rwaskiewicz

test/bundler/karma.config.ts

@@ -11,7 +11,7 @@ const localLaunchers = {
     base: CHROME_HEADLESS,
     flags: [
       // run in headless mode (https://chromium.googlesource.com/chromium/src/+/lkgr/headless/README.md)
-      '--headless',
+      '--headless=new',
       // use --disable-gpu to avoid an error from a missing Mesa library (https://chromium.googlesource.com/chromium/src/+/lkgr/headless/README.md)
       '--disable-gpu',
       // without a remote debugging port, Chrome exits immediately.

test/karma/karma.config.js

@@ -48,7 +48,7 @@ const localLaunchers = {
     flags: [
       '--no-sandbox',
       // See https://chromium.googlesource.com/chromium/src/+/lkgr/headless/README.md
-      '--headless',
+      '--headless=new',
       '--disable-gpu',
       // Without a remote debugging port, Google Chrome exits immediately.
       '--remote-debugging-port=9333',