[Console] Mock terminal size to prevent formatting errors on small terminals

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

@@ -201,8 +201,11 @@ class ApplicationTest extends \PHPUnit_Framework_TestCase
 
     public function testSetCatchExceptions()
     {
-        $application = new Application();
+        $application = $this->getMock('Symfony\Component\Console\Application', array('getTerminalWidth'));
         $application->setAutoExit(false);
+        $application->expects($this->any())
+            ->method('getTerminalWidth')
+            ->will($this->returnValue(120));
         $tester = new ApplicationTester($application);
 
         $application->setCatchExceptions(true);
@@ -237,8 +240,11 @@ class ApplicationTest extends \PHPUnit_Framework_TestCase
 
     public function testRenderException()
     {
-        $application = new Application();
+        $application = $this->getMock('Symfony\Component\Console\Application', array('getTerminalWidth'));
         $application->setAutoExit(false);
+        $application->expects($this->any())
+            ->method('getTerminalWidth')
+            ->will($this->returnValue(120));
         $tester = new ApplicationTester($application);
 
         $tester->run(array('command' => 'foo'), array('decorated' => false));