first commit -> move some files from one-api

tests/mocks/libraries/driver.php

@@ -0,0 +1,27 @@
+<?php
+
+/**
+ * Mock library to subclass Driver for testing
+ */
+class Mock_Libraries_Driver extends CI_Driver_Library {
+	/**
+	 * Set valid drivers list
+	 */
+	public function driver_list($drivers = NULL)
+	{
+		if (empty($drivers))
+		{
+			return $this->valid_drivers;
+		}
+
+		$this->valid_drivers = (array) $drivers;
+	}
+
+	/**
+	 * Get library name
+	 */
+	public function get_name()
+	{
+		return $this->lib_name;
+	}
+}