Tests won't pass #14

PHPUnit 3.7.38 by Sebastian Bergmann.

Configuration read from tests/phpunit.xml

PHP Fatal error:  Declaration of PHPUnit_Framework_Comparator_DOMDocument::assertEquals($expected, $actual, $delta = 0, $canonicalize = false, $ignoreCase = false) must be compatible with PHPUnit_Framework_Comparator_Object::assertEquals($expected, $actual, $delta = 0, $canonicalize = false, $ignoreCase = false, array &$processed = Array) in vendor/phpunit/phpunit/PHPUnit/Framework/Comparator/DOMDocument.php on line 114

phpunit/php-code-coverage    1.2.18  Library that provides collection, processing, and rendering functionality for PHP code coverage information.
phpunit/php-file-iterator    1.4.5   FilterIterator implementation that filters files based on a list of suffixes.
phpunit/php-text-template    1.2.1   Simple template engine.
phpunit/php-timer            1.0.9   Utility class for timing
phpunit/php-token-stream     1.2.2   Wrapper around PHP's tokenizer extension.
phpunit/phpunit              3.7.38  The PHP Unit Testing framework.
phpunit/phpunit-mock-objects 1.2.3   Mock Object library for PHPUnit
symfony/yaml                 v2.8.33 Symfony Yaml Component