Attempt to fix failing unit tests that use runInSeparateProcess

Author: marcovtwout

tests/framework/web/CCookieCollectionTest.php

@@ -38,6 +38,7 @@ public function testConstructorCookieBuilding()
 	}
 	/**
 	 * @runInSeparateProcess
+	 * @preserveGlobalState disabled
 	 * @outputBuffering enabled
 	 */
 	public function testAdd()
@@ -59,6 +60,7 @@ public function testAdd()
 	}
 	/**
 	 * @runInSeparateProcess
+	 * @preserveGlobalState disabled
 	 * @outputBuffering enabled
 	 */
 	public function testRemove()

tests/framework/web/CHttpSessionTest.php

@@ -16,6 +16,7 @@ protected function checkProb($gcProb) {
 	 * @covers CHttpSession::setGCProbability
 	 *
 	 * @runInSeparateProcess
+	 * @preserveGlobalState disabled
 	 */
 	public function testSetGet() {
 		Yii::app()->setComponents(array('session' => array(

tests/framework/web/auth/CWebUserTest.php

@@ -31,6 +31,7 @@ public function booleanProvider()
 
 	/**
 	 * @runInSeparateProcess
+	 * @preserveGlobalState disabled
 	 * @outputBuffering enabled
 	 * @dataProvider booleanProvider
 	 */
@@ -59,6 +60,7 @@ public function testLoginLogout($destroySession)
 
 	/**
 	 * @runInSeparateProcess
+	 * @preserveGlobalState disabled
 	 * @outputBuffering enabled
 	 */
 	public function testCheckAccess()