diff --git a/tests/phar/phpunit.xml b/tests/phar/phpunit.xml
index dcebe5e8bf7..ecde994d974 100644
--- a/tests/phar/phpunit.xml
+++ b/tests/phar/phpunit.xml
@@ -6,7 +6,8 @@
          failOnWarning="true">
     <testsuites>
         <testsuite name="default">
-            <directory>tests</directory>
+            <directory>tests/standard</directory>
+            <directory suffix="phpt">tests/phpt</directory>
         </testsuite>
     </testsuites>
 
diff --git a/tests/phar/tests/phpt/greeter.phpt b/tests/phar/tests/phpt/greeter.phpt
new file mode 100644
index 00000000000..04ddbf36925
--- /dev/null
+++ b/tests/phar/tests/phpt/greeter.phpt
@@ -0,0 +1,11 @@
+--TEST--
+Greeter
+--FILE--
+<?php declare(strict_types=1);
+require_once __DIR__ . '/../../src/Greeter.php';
+
+use PHPUnit\TestFixture\Phar\Greeter;
+
+print (new Greeter)->greet();
+--EXPECT--
+Hello world!
diff --git a/tests/phar/tests/GreeterTest.php b/tests/phar/tests/standard/GreeterTest.php
similarity index 100%
rename from tests/phar/tests/GreeterTest.php
rename to tests/phar/tests/standard/GreeterTest.php
diff --git a/tests/phar/tests/Issue4399Test.php b/tests/phar/tests/standard/Issue4399Test.php
similarity index 100%
rename from tests/phar/tests/Issue4399Test.php
rename to tests/phar/tests/standard/Issue4399Test.php