Fix duplicated code and a field name

src/Symfony/Component/Console/Tests/ApplicationTest.php

@@ -400,13 +400,6 @@ class ApplicationTest extends \PHPUnit_Framework_TestCase
             ->will($this->returnValue(32));
         $tester = new ApplicationTester($application);
 
-        $application = $this->getMock('Symfony\Component\Console\Application', array('getTerminalWidth'));
-        $application->setAutoExit(false);
-        $application->expects($this->any())
-            ->method('getTerminalWidth')
-            ->will($this->returnValue(32));
-        $tester = new ApplicationTester($application);
-
         $tester->run(array('command' => 'foo'), array('decorated' => false));
         $this->assertStringEqualsFile(self::$fixturesPath.'/application_renderexception4.txt', $this->normalizeLineBreaks($tester->getDisplay()), '->renderException() wraps messages when they are bigger than the terminal');
     }

src/Symfony/Component/Console/Tests/Tester/CommandTesterTest.php

@@ -17,7 +17,7 @@ use Symfony\Component\Console\Tester\CommandTester;
 
 class CommandTesterTest extends \PHPUnit_Framework_TestCase
 {
-    protected $application;
+    protected $command;
     protected $tester;
 
     protected function setUp()