test: add an option to run Testcafe test with chromium

KK-1247.

Add an option to run Testcafe browser tests with Chromium instead of
Chrome. There have been some issues with the Chrome that prevents using
it in CI environment:

- DevExpress/testcafe#8286
- DevExpress/testcafe#8300
- DevExpress/testcafe#8304
- DevExpress/testcafe#8307

package.json

@@ -13,7 +13,8 @@
     "generate:graphql": "cross-env DOTENV_CONFIG_PATH=./.env graphql-codegen -r dotenv/config --config ./codegen.ts",
     "test:browser": "testcafe \"chrome --window-size='1920,1080' --disable-search-engine-choice-screen\" browser-tests/ --live",
     "test:browser:wsl2win": "testcafe 'path:`/mnt/c/Program Files/Google/Chrome/Application/chrome.exe`' browser-tests/ --live --dev --lang=fi-FI",
-    "test:browser:ci": "testcafe \"chrome:headless --disable-gpu --window-size='1920,1080' --disable-search-engine-choice-screen\" --lang=fi-FI -s path=report,takeOnFails=true --video report --reporter spec,html:report/index.html browser-tests/"
+    "test:browser:ci": "testcafe \"chrome:headless --disable-gpu --window-size='1920,1080' --disable-search-engine-choice-screen\" --lang=fi-FI -s path=report,takeOnFails=true --video report --reporter spec,html:report/index.html browser-tests/",
+    "test:browser:ci:chromium": "testcafe \"chromium:headless --disable-gpu --window-size='1920,1080' --disable-search-engine-choice-screen\" --lang=fi-FI -s path=report,takeOnFails=true --video report --reporter spec,html:report/index.html browser-tests/"
   },
   "eslintConfig": {
     "extends": "react-app"