Index: tests/phpunit/tests/multisite/network.php
===================================================================
--- tests/phpunit/tests/multisite/network.php	(revision 46320)
+++ tests/phpunit/tests/multisite/network.php	(working copy)
@@ -273,8 +273,8 @@
 			add_action( 'deactivated_plugin', array( $this, '_helper_deactivate_hook' ) );
 
 			// activate the plugin sitewide
-			activate_plugin( $path, '', $network_wide = true );
-			$active_plugins                           = wp_get_active_network_plugins();
+			activate_plugin( $path, '', true );  // $network_wide = true
+			$active_plugins = wp_get_active_network_plugins();
 			$this->assertEquals( array( WP_PLUGIN_DIR . '/hello.php' ), $active_plugins );
 
 			//deactivate the plugin