Add test for domain, contact tokens in pledge

tests/phpunit/CRM/Pledge/Form/PledgeTest.php

@@ -0,0 +1,38 @@
+<?php
+
+use Civi\Api4\Email;
+
+/**
+ *  Include dataProvider for tests
+ * @group headless
+ */
+class CRM_Pledge_Form_PledgeTest extends CiviUnitTestCase {
+
+  /**
+   * Test the post process function.
+   *
+   * @throws \API_Exception
+   * @throws \CRM_Core_Exception
+   */
+  public function testPostProcess(): void {
+    $mut = new CiviMailUtils($this);
+    $loggedInUser = $this->createLoggedInUser();
+    $this->swapMessageTemplateForInput('pledge_acknowledge', '{domain.name} {contact.first_name}');
+
+    $form = $this->getFormObject('CRM_Pledge_Form_Pledge', [
+      'amount' => 10,
+      'installments' => 1,
+      'contact_id' => $this->individualCreate(),
+      'is_acknowledge' => 1,
+      'from_email_address' => Email::get()
+        ->addWhere('contact_id', '=', $loggedInUser)
+        ->addSelect('id')->execute()->first()['id'],
+    ]);
+    $form->buildForm();
+    $form->postProcess();
+    $mut->checkAllMailLog(['Default Domain Name Anthony']);
+    $mut->clearMessages();
+    $this->revertTemplateToReservedTemplate('pledge_acknowledge');
+  }
+
+}