diff --git a/test/unit/SetDataCapableTraitTest.php b/test/unit/SetDataCapableTraitTest.php
index <HASH>..<HASH> 100644
--- a/test/unit/SetDataCapableTraitTest.php
+++ b/test/unit/SetDataCapableTraitTest.php
@@ -36,11 +36,15 @@ class SetDataCapableTraitTest extends TestCase
     public function createInstance($methods = [])
     {
         $methods = $this->mergeValues($methods, [
+            '__'
         ]);
         $mock = $this->getMockBuilder(static::TEST_SUBJECT_CLASSNAME)
                 ->setMethods($methods)
                 ->getMockForTrait();
 
+        $mock->method('__')
+            ->will($this->returnArgument(0));
+
         return $mock;
     }
Now mocking the i<I>n method