Yes the file should be picked up. To check your changes work as expected it would help to setup unit tests
See [github.com]
then you do the following:
1) add user agent to the fix userAgentParserEnhancedFixtures.yml
2) cd piwik/tests/PHPUnit
3) phpunit Plugins/UserAgentParserEnhancedTest.php
and you can see directly if the changes work - does it help?
See [github.com]
then you do the following:
1) add user agent to the fix userAgentParserEnhancedFixtures.yml
2) cd piwik/tests/PHPUnit
3) phpunit Plugins/UserAgentParserEnhancedTest.php
and you can see directly if the changes work - does it help?