ACP2E-1200: adjusted integration tests and implementation

Author: aplapana

app/code/Magento/Sales/Model/AdminOrder/Create.php

@@ -2011,6 +2011,10 @@ public function createOrder()
             $order->save();
         }
 
+        if ($this->getSendConfirmation() && !$order->getEmailSent()) {
+            $this->emailSender->send($order);
+        }
+
         $this->_eventManager->dispatch('checkout_submit_all_after', ['order' => $order, 'quote' => $quote]);
 
         return $order;

dev/tests/integration/testsuite/Magento/Sales/Model/AdminOrder/CreateTest.php

@@ -644,6 +644,13 @@ public function testCreateOrderExistingCustomer()
 
         $this->model->getQuote()->setCustomer($customerMock);
         $order = $this->model->createOrder();
+        if ($this->model->getSendConfirmation() && !$order->getEmailSent()) {
+            $this->emailSenderMock->expects($this->once())
+                ->method('send')
+                ->willReturn(true);
+        } else {
+            $this->emailSenderMock->expects($this->never())->method('send');
+        }
         $this->verifyCreatedOrder($order, $shippingMethod);
     }