diff --git a/tests/Unit/MetadataResolver/NijieResolverTest.php b/tests/Unit/MetadataResolver/NijieResolverTest.php
index adb9b81..97794a9 100644
--- a/tests/Unit/MetadataResolver/NijieResolverTest.php
+++ b/tests/Unit/MetadataResolver/NijieResolverTest.php
@@ -12,6 +12,10 @@ class NijieResolverTest extends TestCase
     public function setUp()
     {
         parent::setUp();
+
+        if (!$this->shouldUseMock()) {
+            sleep(1);
+        }
     }
 
     public function testStandardPicture()