MAGETWO-32554: Refactor Adminhtml/order/invoice directory

Author: vpaladiychuk

dev/tests/unit/testsuite/Magento/Sales/Controller/Adminhtml/Order/Invoice/AddCommentTest.php

@@ -143,7 +143,7 @@ public function setUp()
 
         $this->resultPageFactoryMock = $this->getMockBuilder('Magento\Framework\View\Result\PageFactory')
             ->disableOriginalConstructor()
-            ->setMethods([])
+            ->setMethods(['create'])
             ->getMock();
 
         $this->resultJsonMock = $this->getMockBuilder('Magento\Framework\Controller\Result\JSON')
@@ -153,12 +153,12 @@ public function setUp()
 
         $this->resultRawFactoryMock = $this->getMockBuilder('Magento\Framework\Controller\Result\RawFactory')
             ->disableOriginalConstructor()
-            ->setMethods([])
+            ->setMethods(['create'])
             ->getMock();
 
         $this->resultJsonFactoryMock = $this->getMockBuilder('Magento\Framework\Controller\Result\JSONFactory')
             ->disableOriginalConstructor()
-            ->setMethods([])
+            ->setMethods(['create'])
             ->getMock();
 
         $this->commentSenderMock = $this->getMockBuilder('Magento\Sales\Model\Order\Email\Sender\InvoiceCommentSender')

dev/tests/unit/testsuite/Magento/Sales/Controller/Adminhtml/Order/Invoice/CancelTest.php

@@ -127,12 +127,12 @@ public function setUp()
 
         $this->resultRedirectFactoryMock = $this->getMockBuilder('Magento\Backend\Model\View\Result\RedirectFactory')
             ->disableOriginalConstructor()
-            ->setMethods([])
+            ->setMethods(['create'])
             ->getMock();
 
         $this->resultForwardFactoryMock = $this->getMockBuilder('Magento\Backend\Model\View\Result\ForwardFactory')
             ->disableOriginalConstructor()
-            ->setMethods([])
+            ->setMethods(['create'])
             ->getMock();
 
         $this->controller = $objectManager->getObject(

dev/tests/unit/testsuite/Magento/Sales/Controller/Adminhtml/Order/Invoice/CaptureTest.php

@@ -127,12 +127,12 @@ public function setUp()
 
         $this->resultRedirectFactoryMock = $this->getMockBuilder('Magento\Backend\Model\View\Result\RedirectFactory')
             ->disableOriginalConstructor()
-            ->setMethods([])
+            ->setMethods(['create'])
             ->getMock();
 
         $this->resultForwardFactoryMock = $this->getMockBuilder('Magento\Backend\Model\View\Result\ForwardFactory')
             ->disableOriginalConstructor()
-            ->setMethods([])
+            ->setMethods(['create'])
             ->getMock();
 
         $this->controller = $objectManager->getObject(

dev/tests/unit/testsuite/Magento/Sales/Controller/Adminhtml/Order/Invoice/NewActionTest.php

@@ -180,12 +180,12 @@ public function setUp()
 
         $this->resultPageFactoryMock = $this->getMockBuilder('Magento\Framework\View\Result\PageFactory')
             ->disableOriginalConstructor()
-            ->setMethods([])
+            ->setMethods(['create'])
             ->getMock();
 
         $this->resultRedirectFactoryMock = $this->getMockBuilder('Magento\Backend\Model\View\Result\RedirectFactory')
             ->disableOriginalConstructor()
-            ->setMethods([])
+            ->setMethods(['create'])
             ->getMock();
 
         $this->controller = $objectManager->getObject(

dev/tests/unit/testsuite/Magento/Sales/Controller/Adminhtml/Order/Invoice/UpdateQtyTest.php

@@ -127,17 +127,17 @@ public function setUp()
 
         $this->resultPageFactoryMock = $this->getMockBuilder('Magento\Framework\View\Result\PageFactory')
             ->disableOriginalConstructor()
-            ->setMethods([])
+            ->setMethods(['create'])
             ->getMock();
 
         $this->resultRawFactoryMock = $this->getMockBuilder('Magento\Framework\Controller\Result\RawFactory')
             ->disableOriginalConstructor()
-            ->setMethods([])
+            ->setMethods(['create'])
             ->getMock();
 
         $this->resultJsonFactoryMock = $this->getMockBuilder('Magento\Framework\Controller\Result\JSONFactory')
             ->disableOriginalConstructor()
-            ->setMethods([])
+            ->setMethods(['create'])
             ->getMock();
 
         $this->controller = $objectManager->getObject(

dev/tests/unit/testsuite/Magento/Sales/Controller/Adminhtml/Order/Invoice/ViewTest.php

@@ -160,12 +160,12 @@ public function setUp()
 
         $this->resultPageFactoryMock = $this->getMockBuilder('Magento\Framework\View\Result\PageFactory')
             ->disableOriginalConstructor()
-            ->setMethods([])
+            ->setMethods(['create'])
             ->getMock();
 
         $this->resultForwardFactoryMock = $this->getMockBuilder('Magento\Backend\Model\View\Result\ForwardFactory')
             ->disableOriginalConstructor()
-            ->setMethods([])
+            ->setMethods(['create'])
             ->getMock();
 
         $this->controller = $objectManager->getObject(

dev/tests/unit/testsuite/Magento/Sales/Controller/Adminhtml/Order/Invoice/VoidTest.php

@@ -140,12 +140,12 @@ public function setUp()
 
         $this->resultRedirectFactoryMock = $this->getMockBuilder('Magento\Backend\Model\View\Result\RedirectFactory')
             ->disableOriginalConstructor()
-            ->setMethods([])
+            ->setMethods(['create'])
             ->getMock();
 
         $this->resultForwardFactoryMock = $this->getMockBuilder('Magento\Backend\Model\View\Result\ForwardFactory')
             ->disableOriginalConstructor()
-            ->setMethods([])
+            ->setMethods(['create'])
             ->getMock();
 
         $this->controller = $objectManager->getObject(