ACP2E-2215: Order having downloadable & physical product, downloadable link is not available until physical product ships.

Author: viktym

app/code/Magento/Downloadable/Test/Unit/Observer/SaveDownloadableOrderItemObserverTest.php

@@ -180,8 +180,7 @@ public function testSaveDownloadableOrderItem()
             ->method('getRealProductType')
             ->willReturn(DownloadableProductType::TYPE_DOWNLOADABLE);
 
-        $this->orderMock->expects($this->once())
-            ->method('getStoreId')
+        $this->orderMock->method('getStoreId')
             ->willReturn(10500);
 
         $product = $this->getMockBuilder(Product::class)