MAGETWO-63231: Implementation

Author: shiftedreality

app/code/Magento/Theme/Test/Unit/Model/Source/InitialThemeSourceTest.php

@@ -75,6 +75,7 @@ protected function setUp()
         $this->connectionMock = $this->getMockBuilder(AdapterInterface::class)
             ->getMockForAbstractClass();
         $this->dataObjectFactoryMock = $this->getMockBuilder(DataObjectFactory::class)
+            ->setMethods(['create'])
             ->disableOriginalConstructor()
             ->getMock();
         $this->dataObjectMock = $this->getMockBuilder(DataObject::class)