MAGETWO-37481: Static method calls and properties assignment in unit tests

 - Fixed typos

Author: marcozheng

app/code/Magento/Email/Test/Unit/Model/BackendTemplateTest.php

@@ -40,7 +40,7 @@ class BackendTemplateTest extends \PHPUnit_Framework_TestCase
     /**
      * @var \Magento\Framework\App\ObjectManager
      */
-    protected $objectMangerBackup;
+    protected $objectManagerBackup;
 
     protected function setUp()
     {
@@ -59,7 +59,7 @@ protected function setUp()
             ->method('get')
             ->with('Magento\Email\Model\Resource\Template')
             ->will($this->returnValue($this->resourceModelMock));
-        $this->objectMangerBackup = \Magento\Framework\App\ObjectManager::getInstance();
+        $this->objectManagerBackup = \Magento\Framework\App\ObjectManager::getInstance();
         \Magento\Framework\App\ObjectManager::setInstance($objectManagerMock);
 
         $this->model = $helper->getObject(
@@ -71,7 +71,7 @@ protected function setUp()
     protected function tearDown()
     {
         parent::tearDown();
-        \Magento\Framework\App\ObjectManager::setInstance($this->objectMangerBackup);
+        \Magento\Framework\App\ObjectManager::setInstance($this->objectManagerBackup);
     }
 
     public function testGetSystemConfigPathsWhereUsedAsDefaultNoTemplateCode()

app/code/Magento/Sales/Test/Unit/Model/Email/TemplateTest.php

@@ -28,7 +28,7 @@ class TemplateTest extends \PHPUnit_Framework_TestCase
     /**
      * @var \Magento\Framework\App\ObjectManager
      */
-    protected $objectMangerBackup;
+    protected $objectManagerBackup;
 
     public function setUp()
     {
@@ -43,7 +43,7 @@ public function setUp()
             ->method('get')
             ->with('Magento\Email\Model\Resource\Template')
             ->will($this->returnValue($objectManagerHelper->getObject('Magento\Email\Model\Resource\Template')));
-        $this->objectMangerBackup = \Magento\Framework\App\ObjectManager::getInstance();
+        $this->objectManagerBackup = \Magento\Framework\App\ObjectManager::getInstance();
         \Magento\Framework\App\ObjectManager::setInstance($objectManagerMock);
 
         $this->template = $objectManagerHelper->getObject(
@@ -57,7 +57,7 @@ public function setUp()
     protected function tearDown()
     {
         parent::tearDown();
-        \Magento\Framework\App\ObjectManager::setInstance($this->objectMangerBackup);
+        \Magento\Framework\App\ObjectManager::setInstance($this->objectManagerBackup);
     }
 
     public function testIncludeTemplate()

lib/internal/Magento/Framework/Model/Test/Unit/Resource/Db/Collection/AbstractCollectionTest.php

@@ -52,7 +52,7 @@ class AbstractCollectionTest extends \PHPUnit_Framework_TestCase
     /**
      * @var \Magento\Framework\App\ObjectManager
      */
-    protected $objectMangerBackup;
+    protected $objectManagerBackup;
 
     protected function setUp()
     {
@@ -80,7 +80,7 @@ protected function setUp()
             ->will($this->returnValue($this->selectMock));
 
         $this->objectManagerMock = $this->getMock('Magento\Framework\App\ObjectManager', [], [], '', false);
-        $this->objectMangerBackup = \Magento\Framework\App\ObjectManager::getInstance();
+        $this->objectManagerBackup = \Magento\Framework\App\ObjectManager::getInstance();
         \Magento\Framework\App\ObjectManager::setInstance($this->objectManagerMock);
 
         $this->objectManagerHelper = new ObjectManagerHelper($this);
@@ -90,7 +90,7 @@ protected function setUp()
     protected function tearDown()
     {
         parent::tearDown();
-        \Magento\Framework\App\ObjectManager::setInstance($this->objectMangerBackup);
+        \Magento\Framework\App\ObjectManager::setInstance($this->objectManagerBackup);
     }
 
     protected function getUut()