Fixed typo issue

Author: Stanislav Idolov

app/code/Magento/Sales/Test/Unit/Controller/Adminhtml/Order/Create/ReorderTest.php

@@ -189,7 +189,7 @@ public function testExecuteRedirectBack()
         $this->createRedirect();
         $this->getOrderId($this->orderId);
         $this->getUnavailableProducts([1, 3]);
-        $this->messageManagerMock->expects($this->any())->method('addErrorMessageMessage');
+        $this->messageManagerMock->expects($this->any())->method('addErrorMessage');
         $this->setPath('sales/order/view', ['order_id' => $this->orderId]);
 
         $this->assertInstanceOf(Redirect::class, $this->reorder->execute());