phpunit test

https://github.com/dbwebb-se/oophp/tree/master/example/phpunit

Jag använder php 7.1.8 och phpunit 6.3.

När jag kör "phpunit --configuration .phpunit.xml" får jag errors:

Fatal error: require_once(): Failed opening required 'PHPUnit/Autoload.php' (include_path='.:/usr/local/lib/php') in /var/www/html/test/Guess/GuessTest.php on line 4

Call Stack:
    0.0004     492640   1. {main}() /usr/local/bin/phpunit:0
    0.0432    8174336   2. PHPUnit\TextUI\Command::main() /usr/local/bin/phpunit:557
    0.0432    8174448   3. PHPUnit\TextUI\Command->run() phar:///usr/local/bin/phpunit/phpunit/TextUI/Command.php:141
    0.0432    8174448   4. PHPUnit\TextUI\Command->handleArguments() phar:///usr/local/bin/phpunit/phpunit/TextUI/Command.php:152
    0.0440    8239960   5. PHPUnit\Util\Configuration->getTestSuiteConfiguration() phar:///usr/local/bin/phpunit/phpunit/TextUI/Command.php:786
    0.0440    8240544   6. PHPUnit\Util\Configuration->getTestSuite() phar:///usr/local/bin/phpunit/phpunit/Util/Configuration.php:896
    0.0444    8241688   7. PHPUnit\Framework\TestSuite->addTestFiles() phar:///usr/local/bin/phpunit/phpunit/Util/Configuration.php:1000
    0.0444    8241688   8. PHPUnit\Framework\TestSuite->addTestFile() phar:///usr/local/bin/phpunit/phpunit/Framework/TestSuite.php:392
    0.0445    8278608   9. PHPUnit\Util\Fileloader::checkAndLoad() phar:///usr/local/bin/phpunit/phpunit/Framework/TestSuite.php:320
    0.0445    8278784  10. PHPUnit\Util\Fileloader::load() phar:///usr/local/bin/phpunit/phpunit/Util/Fileloader.php:48
    0.0445    8288072  11. include_once('/var/www/html/test/Guess/GuessTest.php') phar:///usr/local/bin/phpunit/phpunit/Util/Fileloader.php:64

Hittade lösning https://stackoverflow.com/a/42561590.
Ändrade https://github.com/dbwebb-se/oophp/blob/master/example/phpunit/test/Guess/GuessTest.php#L8 till "class GuessTest extends \PHPUnit\Framework\TestCase"