Big shoutout to the amazing team at Selenium for providing this fantastic solution!
Quick Tip
To ensure that your test runs smoothly, add this code snippet to your setUp() function:
// Prepare a Firefox mini-profile with focusmanager.testmode=true in about:config
define('FIREFOX_PROFILE',
'UEsDBAoAAAAAADqAxkSBK46tKgAAACoAAAAIABwAcHJlZnMuanNVVAkAA1BZkVM6WZFTdXgLAAEE
6AMAAARkAAAAdXNlcl9wcmVmKCJmb2N1c21hbmFnZXIudGVzdG1vZGUiLCB0cnVlKTsKUEsBAh4D
CgAAAAAAOoDGRIErjq0qAAAAKgAAAAgAGAAAAAAAAQAAAKSBAAAAAHByZWZzLmpzVVQFAANQWZFT
dXgLAAEE6AMAAARkAAAAUEsFBgAAAAABAAEATgAAAGwAAAAAAA==');
protected function setUp()
{
$this->setDesiredCapabilities(Array('firefox_profile' => FIREFOX_PROFILE));
}
This will set the focusmanager.testmode property to true.
Detailed Instructions
If you want to customize your Firefox profile settings, follow these steps before running your tests:
Create a new folder and populate it with the necessary files for your Firefox profile, including a file named prefs.js where your custom settings are stored.
In the prefs.js file, add the following line of code:
user_pref("focusmanager.testmode", true);
Compress the folder (ensuring that prefs.js is located at the root) and encode it using base64.
For Linux users, streamline the process by executing the following commands:
mkdir firefox-profile
cd firefox-profile
echo 'user_pref("focusmanager.testmode", true);' >> prefs.js
zip -r ../firefox-profile.zip *
base64 < ../firefox-profile.zip
Finally, use the generated base64 value as the "firefox_profile" capability as per the quick tip above.