first commit -> move some files from one-api

tests/mocks/ci_testconfig.php

@@ -0,0 +1,20 @@
+<?php
+
+class CI_TestConfig extends CI_Config {
+
+	public $config = array();
+	public $_config_paths = array(APPPATH);
+	public $loaded = array();
+
+	public function item($key, $index = '')
+	{
+		return isset($this->config[$key]) ? $this->config[$key] : FALSE;
+	}
+
+	public function load($file = '', $use_sections = FALSE, $fail_gracefully = FALSE)
+	{
+		$this->loaded[] = $file;
+		return TRUE;
+	}
+
+}