diff --git a/composer.json b/composer.json
index 66bc810..403d116 100644
--- a/composer.json
+++ b/composer.json
@@ -34,6 +34,7 @@
 		"cs:check": "php-cs-fixer fix --dry-run --diff",
 		"cs:fix": "php-cs-fixer fix",
 		"psalm": "psalm.phar",
-		"phpstan": "phpstan analyse --level 6 src"
+		"phpstan": "phpstan analyse --level 6 src",
+		"phpunit": "phpunit -c tests/phpunit.xml"
 	}
 }
diff --git a/tests/PathHelperTest.php b/tests/PathHelperTest.php
index 1a83a6a..e224ec4 100644
--- a/tests/PathHelperTest.php
+++ b/tests/PathHelperTest.php
@@ -26,7 +26,7 @@ use Sabre\DAV\Server;
 use SearchDAV\DAV\PathHelper;
 
 class PathHelperTest extends TestCase {
-	public function uriProvider() {
+	public static function uriProvider() {
 		return [
 			['/', '', ''],
 			['/index.php/', 'foo', 'foo'],
diff --git a/tests/phpunit.xml b/tests/phpunit.xml
index cabfbf4..0bb6455 100644
--- a/tests/phpunit.xml
+++ b/tests/phpunit.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <phpunit bootstrap="bootstrap.php">
 	<testsuite name='SearchDAV'>
-		<directory suffix='.php'>./</directory>
+		<directory suffix='Test.php'>./</directory>
 	</testsuite>
 	<filter>
 		<whitelist processUncoveredFilesFromWhitelist="true">