diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index d2987f4a19..47a23799f5 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -6,12 +6,8 @@
     </testsuites>
     <source>
         <include>
-            <directory>src</directory>
-            <directory>tests</directory>
+            <directory>src/Repro</directory>
         </include>
-        <exclude>
-            <directory>src/Behat</directory>
-        </exclude>
     </source>
     <coverage>
         <report>
diff --git a/src/Repro/Repro.php b/src/Repro/Repro.php
new file mode 100644
index 0000000000..d9276d35ed
--- /dev/null
+++ b/src/Repro/Repro.php
@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Atk4\Ui\Repro;
+
+class Repro
+{
+    public function repro(): void
+    {
+        if (\PHP_INT_SIZE === 4) {
+            self::foo();
+        }
+
+        self::foo();
+    }
+
+    public static function foo(): void
+    {
+    }
+}
diff --git a/tests/JsTest.php b/tests/JsTest.php
index c02bb3b466..ebf796a589 100644
--- a/tests/JsTest.php
+++ b/tests/JsTest.php
@@ -4,17 +4,15 @@
 
 namespace Atk4\Ui\Tests;
 
+use Atk4\Ui\Repro\Repro;
 use PHPUnit\Framework\TestCase;
 
 class JsTest extends TestCase
 {
     public function testNumbers(): void
     {
-        if (\PHP_INT_SIZE === 4) {
-            self::markTestIncomplete('Test is not supported on 32bit php');
-        }
+        Repro::repro();
 
-        $v = 'x';
-        self::assertSame('x', $v);
+        self::assertTrue(true);
     }
 }