Инициализировано Yii2 приложение, выпилены лишние части, накинуты чуточку нужных

tests/codeception/api/_pages/ContactPage.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace tests\codeception\api\_pages;
+
+use yii\codeception\BasePage;
+
+/**
+ * Represents contact page
+ * @property \codeception_api\AcceptanceTester|\codeception_api\FunctionalTester $actor
+ */
+class ContactPage extends BasePage
+{
+    public $route = 'site/contact';
+
+    /**
+     * @param array $contactData
+     */
+    public function submit(array $contactData)
+    {
+        foreach ($contactData as $field => $value) {
+            $inputType = $field === 'body' ? 'textarea' : 'input';
+            $this->actor->fillField($inputType . '[name="ContactForm[' . $field . ']"]', $value);
+        }
+        $this->actor->click('contact-button');
+    }
+}