/usr/share/php/PHPUnit/Framework/Constraint/ is in phpunit 4.2.6-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/PHPUnit/Framework/Constraint/And.php
/usr/share/php/PHPUnit/Framework/Constraint/ArrayHasKey.php
/usr/share/php/PHPUnit/Framework/Constraint/Attribute.php
/usr/share/php/PHPUnit/Framework/Constraint/Callback.php
/usr/share/php/PHPUnit/Framework/Constraint/ClassHasAttribute.php
/usr/share/php/PHPUnit/Framework/Constraint/ClassHasStaticAttribute.php
/usr/share/php/PHPUnit/Framework/Constraint/Composite.php
/usr/share/php/PHPUnit/Framework/Constraint/Count.php
/usr/share/php/PHPUnit/Framework/Constraint/Exception.php
/usr/share/php/PHPUnit/Framework/Constraint/ExceptionCode.php
/usr/share/php/PHPUnit/Framework/Constraint/ExceptionMessage.php
/usr/share/php/PHPUnit/Framework/Constraint/FileExists.php
/usr/share/php/PHPUnit/Framework/Constraint/GreaterThan.php
/usr/share/php/PHPUnit/Framework/Constraint/IsAnything.php
/usr/share/php/PHPUnit/Framework/Constraint/IsEmpty.php
/usr/share/php/PHPUnit/Framework/Constraint/IsEqual.php
/usr/share/php/PHPUnit/Framework/Constraint/IsFalse.php
/usr/share/php/PHPUnit/Framework/Constraint/IsIdentical.php
/usr/share/php/PHPUnit/Framework/Constraint/IsInstanceOf.php
/usr/share/php/PHPUnit/Framework/Constraint/IsJson.php
/usr/share/php/PHPUnit/Framework/Constraint/IsNull.php
/usr/share/php/PHPUnit/Framework/Constraint/IsTrue.php
/usr/share/php/PHPUnit/Framework/Constraint/IsType.php
/usr/share/php/PHPUnit/Framework/Constraint/JsonMatches/
/usr/share/php/PHPUnit/Framework/Constraint/JsonMatches.php
/usr/share/php/PHPUnit/Framework/Constraint/JsonMatches/ErrorMessageProvider.php
/usr/share/php/PHPUnit/Framework/Constraint/LessThan.php
/usr/share/php/PHPUnit/Framework/Constraint/Not.php
/usr/share/php/PHPUnit/Framework/Constraint/ObjectHasAttribute.php
/usr/share/php/PHPUnit/Framework/Constraint/Or.php
/usr/share/php/PHPUnit/Framework/Constraint/PCREMatch.php
/usr/share/php/PHPUnit/Framework/Constraint/SameSize.php
/usr/share/php/PHPUnit/Framework/Constraint/StringContains.php
/usr/share/php/PHPUnit/Framework/Constraint/StringEndsWith.php
/usr/share/php/PHPUnit/Framework/Constraint/StringMatches.php
/usr/share/php/PHPUnit/Framework/Constraint/StringStartsWith.php
/usr/share/php/PHPUnit/Framework/Constraint/TraversableContains.php
/usr/share/php/PHPUnit/Framework/Constraint/TraversableContainsOnly.php
/usr/share/php/PHPUnit/Framework/Constraint/Xor.php