Closes #3218

Author: sebastianbergmann

ChangeLog-6.5.md

@@ -7,6 +7,7 @@ All notable changes of the PHPUnit 6.5 release series are documented in this fil
 ### Fixed
 
 * Fixed [#3209](https://github.com/sebastianbergmann/phpunit/issues/3209): `Test::run()` and `TestCase::run()` interface contradiction
+* Fixed [#3218](https://github.com/sebastianbergmann/phpunit/issues/3218): `prefix` attribute for `directory` node missing from `phpunit.xml` XSD
 
 ## [6.5.9] - 2018-07-03
 

phpunit.xsd

@@ -152,6 +152,7 @@
   <xs:complexType name="directoryFilterType">
     <xs:simpleContent>
       <xs:extension base="xs:anyURI">
+        <xs:attribute type="xs:string" name="prefix" default=""/>
         <xs:attribute type="xs:string" name="suffix" default="Test.php"/>
         <xs:attributeGroup ref="phpVersionGroup"/>
       </xs:extension>