Remove "covers" annotations for static methods

tests/MageTest/Command/FactoryTest.php

@@ -20,9 +20,6 @@ class FactoryTest extends PHPUnit_Framework_TestCase
         $this->config = $this->getMock('Mage\Config');
     }
 
-    /**
-     * @covers Factory::get
-     */
     public function testGet()
     {
         $command = Factory::get('add', $this->config);
@@ -31,16 +28,12 @@ class FactoryTest extends PHPUnit_Framework_TestCase
 
     /**
      * @expectedException \Exception
-     * @covers Factory::get
      */
     public function testGetClassNotFoundException()
     {
         $command = Factory::get('commanddoesntexist', $this->config);
     }
 
-    /**
-     * @covers Factory::get
-     */
     public function testGetCustomCommand()
     {
         $this->getMockBuilder('Mage\\Command\\AbstractCommand')
@@ -60,7 +53,6 @@ class FactoryTest extends PHPUnit_Framework_TestCase
     /**
      * @expectedException \Exception
      * @expectedExceptionMessage The command MyInconsistentCommand must be an instance of Mage\Command\AbstractCommand.
-     * @covers Factory::get
      */
     public function testGetInconsistencyException()
     {