diff --git a/Tests/FinderOpenBasedirTest.php b/Tests/FinderOpenBasedirTest.php
new file mode 100644
index 00000000..0fcdbc0c
--- /dev/null
+++ b/Tests/FinderOpenBasedirTest.php
@@ -0,0 +1,62 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests;
+
+use Symfony\Component\Finder\Finder;
+
+class FinderOpenBasedirTest extends Iterator\RealIteratorTestCase
+{
+    /**
+     * @runInSeparateProcess
+     */
+    public function testIgnoreVCSIgnoredWithOpenBasedir()
+    {
+        $this->markTestIncomplete('Test case needs to be refactored so that PHPUnit can run it');
+
+        if (\ini_get('open_basedir')) {
+            $this->markTestSkipped('Cannot test when open_basedir is set');
+        }
+
+        $finder = $this->buildFinder();
+        $this->assertSame(
+            $finder,
+            $finder
+                ->ignoreVCS(true)
+                ->ignoreDotFiles(true)
+                ->ignoreVCSIgnored(true)
+        );
+
+        $this->iniSet('open_basedir', \dirname(__DIR__, 5).\PATH_SEPARATOR.self::toAbsolute('gitignore/search_root'));
+
+        $this->assertIterator(self::toAbsolute([
+            'gitignore/search_root/b.txt',
+            'gitignore/search_root/c.txt',
+            'gitignore/search_root/dir',
+            'gitignore/search_root/dir/a.txt',
+            'gitignore/search_root/dir/c.txt',
+        ]), $finder->in(self::toAbsolute('gitignore/search_root'))->getIterator());
+    }
+
+    protected function buildFinder()
+    {
+        return Finder::create()->exclude('gitignore');
+    }
+
+    protected function iniSet(string $varName, string $newValue): void
+    {
+        if ('open_basedir' === $varName && $deprecationsFile = getenv('SYMFONY_DEPRECATIONS_SERIALIZE')) {
+            $newValue .= \PATH_SEPARATOR.$deprecationsFile;
+        }
+
+        parent::iniSet($varName, $newValue);
+    }
+}
diff --git a/Tests/FinderTest.php b/Tests/FinderTest.php
index 41dc0271..27d2502a 100644
--- a/Tests/FinderTest.php
+++ b/Tests/FinderTest.php
@@ -482,35 +482,6 @@ public function testIgnoreVCSIgnoredUpToFirstGitRepositoryRoot()
         ]), $finder->in(self::toAbsolute('gitignore/git_root/search_root'))->getIterator());
     }
 
-    /**
-     * @runInSeparateProcess
-     */
-    public function testIgnoreVCSIgnoredWithOpenBasedir()
-    {
-        if (\ini_get('open_basedir')) {
-            $this->markTestSkipped('Cannot test when open_basedir is set');
-        }
-
-        $finder = $this->buildFinder();
-        $this->assertSame(
-            $finder,
-            $finder
-                ->ignoreVCS(true)
-                ->ignoreDotFiles(true)
-                ->ignoreVCSIgnored(true)
-        );
-
-        $this->iniSet('open_basedir', \dirname(__DIR__, 5).\PATH_SEPARATOR.self::toAbsolute('gitignore/search_root'));
-
-        $this->assertIterator(self::toAbsolute([
-            'gitignore/search_root/b.txt',
-            'gitignore/search_root/c.txt',
-            'gitignore/search_root/dir',
-            'gitignore/search_root/dir/a.txt',
-            'gitignore/search_root/dir/c.txt',
-        ]), $finder->in(self::toAbsolute('gitignore/search_root'))->getIterator());
-    }
-
     public function testIgnoreVCSCanBeDisabledAfterFirstIteration()
     {
         $finder = $this->buildFinder();
@@ -1056,6 +1027,7 @@ public function testIn()
             self::$tmpDir.\DIRECTORY_SEPARATOR.'Zephire.php',
             self::$tmpDir.\DIRECTORY_SEPARATOR.'test.php',
             __DIR__.\DIRECTORY_SEPARATOR.'GitignoreTest.php',
+            __DIR__.\DIRECTORY_SEPARATOR.'FinderOpenBasedirTest.php',
             __DIR__.\DIRECTORY_SEPARATOR.'FinderTest.php',
             __DIR__.\DIRECTORY_SEPARATOR.'GlobTest.php',
             self::$tmpDir.\DIRECTORY_SEPARATOR.'qux_0_1.php',
@@ -1624,13 +1596,4 @@ protected function buildFinder()
     {
         return Finder::create()->exclude('gitignore');
     }
-
-    protected function iniSet(string $varName, string $newValue): void
-    {
-        if ('open_basedir' === $varName && $deprecationsFile = getenv('SYMFONY_DEPRECATIONS_SERIALIZE')) {
-            $newValue .= \PATH_SEPARATOR.$deprecationsFile;
-        }
-
-        parent::iniSet('open_basedir', $newValue);
-    }
 }