Issue #2461863 by stefan.r: Upgrade PHPUnit to the latest stable release

core/composer.json

core/composer.lock

core/vendor/composer/autoload_classmap.php

core/vendor/composer/autoload_namespaces.php

core/vendor/composer/include_paths.php

core/vendor/composer/installed.json

core/vendor/phpdocumentor/reflection-docblock/.gitignore

core/vendor/phpdocumentor/reflection-docblock/.travis.yml

core/vendor/phpdocumentor/reflection-docblock/LICENSE

core/vendor/phpdocumentor/reflection-docblock/README.md

core/vendor/phpdocumentor/reflection-docblock/composer.json

core/vendor/phpdocumentor/reflection-docblock/composer.lock

...vendor/phpdocumentor/reflection-docblock/phpunit.xml.dist

...ection-docblock/src/phpDocumentor/Reflection/DocBlock.php

...ocblock/src/phpDocumentor/Reflection/DocBlock/Context.php

...ock/src/phpDocumentor/Reflection/DocBlock/Description.php

...cblock/src/phpDocumentor/Reflection/DocBlock/Location.php

...lock/src/phpDocumentor/Reflection/DocBlock/Serializer.php

...on-docblock/src/phpDocumentor/Reflection/DocBlock/Tag.php

...k/src/phpDocumentor/Reflection/DocBlock/Tag/AuthorTag.php