Issue #3259751 by rodrigoaguilera, smustgrave, nod_: Add ability to pass cli...

Issue #3259751 by rodrigoaguilera, smustgrave, nod_: Add ability to pass cli arguments to chromedriver

core/.env.example

@@ -46,6 +46,10 @@ DRUPAL_TEST_CHROMEDRIVER_AUTOSTART=true
 # e.g. `--disable-gpu --headless --no-sandbox`.
 #DRUPAL_TEST_WEBDRIVER_CHROME_ARGS=
 
+# A list of arguments to pass to Webdriver, separated by spaces
+# e.g. `--allowed-ips --disable-dev-shm-usage`.
+#DRUPAL_TEST_WEBDRIVER_CLI_ARGS=
+
 ##############
 # Nightwatch #
 ##############

core/tests/Drupal/Nightwatch/nightwatch.conf.js

@@ -82,6 +82,9 @@ module.exports = {
       webdriver: {
         start_process: process.env.DRUPAL_TEST_CHROMEDRIVER_AUTOSTART,
         port: process.env.DRUPAL_TEST_WEBDRIVER_PORT,
+        cli_args: process.env.DRUPAL_TEST_WEBDRIVER_CLI_ARGS
+          ? process.env.DRUPAL_TEST_WEBDRIVER_CLI_ARGS.split(' ')
+          : [],
       },
       desiredCapabilities: {
         browserName: 'chrome',