diff --git a/lib/internal/Magento/Framework/View/Test/Unit/ConfigTest.php b/lib/internal/Magento/Framework/View/Test/Unit/ConfigTest.php
index 4295b5d3e24e73810f66e1a16e83f1d0cb6e84f1..2a09783c710e4e4c9334079a67025b452d673974 100644
--- a/lib/internal/Magento/Framework/View/Test/Unit/ConfigTest.php
+++ b/lib/internal/Magento/Framework/View/Test/Unit/ConfigTest.php
@@ -40,17 +40,17 @@ class ConfigTest extends \PHPUnit_Framework_TestCase
 
     public function testGetViewConfig()
     {
-        $themeCode = 2;
+        $themeCode = 'area/theme';
 
         $themeMock = $this->getMock(
             \Magento\Theme\Model\Theme::class,
-            ['getCode'],
+            ['getFullPath'],
             [],
             '',
             false
         );
         $themeMock->expects($this->atLeastOnce())
-            ->method('getCode')
+            ->method('getFullPath')
             ->will($this->returnValue($themeCode));
         $params = [
             'themeModel' => $themeMock,