[core] fixes and tests for get_base_href + get_query, see #1024

tests/bootstrap.php

@@ -19,7 +19,10 @@ require_once "core/sys_config.php";
 require_once "core/polyfills.php";
 require_once "core/util.php";
 
+$_SERVER['SCRIPT_FILENAME'] = '/var/www/html/test/index.php';
+$_SERVER['DOCUMENT_ROOT'] = '/var/www/html';
 $_SERVER['QUERY_STRING'] = '/';
+
 if (file_exists("data/test-trace.json")) {
     unlink("data/test-trace.json");
 }