added CodeIgniter4

tests/_support/Libraries/ConfigReader.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Tests\Support\Libraries;
+
+use Config\App;
+
+/**
+ * Class ConfigReader
+ *
+ * An extension of BaseConfig that prevents the constructor from
+ * loading external values. Used to read actual local values from
+ * a config file.
+ */
+class ConfigReader extends App
+{
+    public function __construct()
+    {
+    }
+}