MAGETWO-44643: [API] Adapt Sales API to be compatible with multishipping

Author: Dmytro Voskoboinikov

app/code/Magento/Quote/Test/Unit/Model/Quote/Address/ToOrderTest.php

@@ -75,7 +75,6 @@ public function testConvert()
         $data = ['test' => 'beer'];
         $quoteId = 1;
         $storeId = 777;
-        $shippingMethod = 'checkmo';
 
         $object = $this->getMock('Magento\Quote\Model\Quote\Address', [], [], '', false);
         $quote = $this->getMock('Magento\Quote\Model\Quote', [], [], '', false);