diff --git a/app/code/Magento/Quote/Test/Unit/Model/GuestCart/GuestBillingAddressManagementTest.php b/app/code/Magento/Quote/Test/Unit/Model/GuestCart/GuestBillingAddressManagementTest.php
index 52e611b25bde35ea2f09d7d06f7d5926177e3e20..4f6a3e63a632df58afc6eadeb44871820866100c 100644
--- a/app/code/Magento/Quote/Test/Unit/Model/GuestCart/GuestBillingAddressManagementTest.php
+++ b/app/code/Magento/Quote/Test/Unit/Model/GuestCart/GuestBillingAddressManagementTest.php
@@ -88,7 +88,7 @@ class GuestBillingAddressManagementTest extends \PHPUnit_Framework_TestCase
     /**
      * @return void
      */
-    public function testAssing()
+    public function testAssign()
     {
         $addressId = 1;
         $this->billingAddressManagementMock->expects($this->once())->method('assign')->willReturn($addressId);