Add CakeSession Fixture

CakePHP should provide a fixture for the default session table name so
developers don't need to add the same fixture to each application.

Fixes #3054

lib/Cake/Test/Fixture/CakeSessionFixture.php

@@ -0,0 +1,47 @@
+<?php
+/**
+ * CakePHP(tm) Tests <http://book.cakephp.org/2.0/en/development/testing.html>
+ * Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
+ *
+ * Licensed under The MIT License
+ * Redistributions of files must retain the above copyright notice
+ *
+ * @copyright     Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
+ * @link          http://book.cakephp.org/2.0/en/development/testing.html CakePHP(tm) Tests
+ * @package       Cake.Test.Fixture
+ * @since         CakePHP(tm) v 2.3.0
+ * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
+ */
+
+/**
+ * Fixture class for the default session configuration
+ *
+ * @package       Cake.Test.Fixture
+ */
+class CakeSessionFixture extends CakeTestFixture {
+
+/**
+ * name property
+ *
+ * @var string
+ */
+	public $name = 'CakeSession';
+
+/**
+ * fields property
+ *
+ * @var array
+ */
+	public $fields = array(
+		'id' => array('type' => 'string', 'length' => 128, 'key' => 'primary'),
+		'data' => array('type' => 'text','null' => true),
+		'expires' => array('type' => 'integer', 'length' => 11, 'null' => true)
+	);
+
+/**
+ * records property
+ *
+ * @var array
+ */
+	public $records = array();
+}