Rework tests structure. Upgrade codeception to 2.5.3. Merge params configuration into app configuration.

common/tests/_support/ProtectedCaller.php

@@ -0,0 +1,16 @@
+<?php
+namespace common\tests\_support;
+
+use ReflectionClass;
+
+trait ProtectedCaller {
+
+    protected function callProtected($object, string $function, ...$args) {
+        $class = new ReflectionClass($object);
+        $method = $class->getMethod($function);
+        $method->setAccessible(true);
+
+        return $method->invokeArgs($object, $args);
+    }
+
+}