disable error handler while running phpunit

lib/base.php

@@ -402,9 +402,11 @@ class OC {
 
 		self::initPaths();
 
-		register_shutdown_function(array('OC_Log', 'onShutdown'));
-		set_error_handler(array('OC_Log', 'onError'));
-		set_exception_handler(array('OC_Log', 'onException'));
+		if (!defined('PHPUNIT_RUN')) {
+			register_shutdown_function(array('OC_Log', 'onShutdown'));
+			set_error_handler(array('OC_Log', 'onError'));
+			set_exception_handler(array('OC_Log', 'onException'));
+		}
 
 		// set debug mode if an xdebug session is active
 		if (!defined('DEBUG') || !DEBUG) {

tests/bootstrap.php

@@ -2,6 +2,9 @@
 
 global $RUNTIME_NOAPPS;
 $RUNTIME_NOAPPS = true;
+
+define('PHPUNIT_RUN', 1);
+
 require_once __DIR__.'/../lib/base.php';
 
 if(!class_exists('PHPUnit_Framework_TestCase')) {