Rename TestForm class to FormTest, to make it consistent with all other

testcases. Also remove tearDown method, as it doesn't do anything at
this moment.
Signed-off-by: crynobone <crynobone@gmail.com>

laravel/tests/cases/form.test.php

 <?php
 
-class TestForm extends PHPUnit_Framework_TestCase {
+class FormTest extends PHPUnit_Framework_TestCase {
 
 	/**
 	 * Setup the test environment.
@@ -11,11 +11,6 @@ class TestForm extends PHPUnit_Framework_TestCase {
 		Config::set('application.url', 'http://localhost');
 	}
 
-	/**
-	 * Tear down the test environment.
-	 */
-	public function tearDown(){}
-
 	/**
 	 * Test the compilation of opening a form
 	 *