Add payment token api

I put up a merge request to edit in somewhere to link to
https://lab.civicrm.org/documentation/docs/user-en/-/merge_requests/472 since I couldn't
see anywhere that payment tokens were discussed

Civi/Api4/PaymentToken.php

@@ -0,0 +1,30 @@
+<?php
+/*
+ +--------------------------------------------------------------------+
+ | Copyright CiviCRM LLC. All rights reserved.                        |
+ |                                                                    |
+ | This work is published under the GNU AGPLv3 license with some      |
+ | permitted exceptions and without any warranty. For full license    |
+ | and copyright information, see https://civicrm.org/licensing       |
+ +--------------------------------------------------------------------+
+ */
+
+/**
+ *
+ * @package CRM
+ * @copyright CiviCRM LLC https://civicrm.org/licensing
+ */
+
+namespace Civi\Api4;
+
+/**
+ * Payment Token entity.
+ *
+ * @see https://docs.civicrm.org/user/en/latest/contributions/payment-processors/#managing-recurring-contributions
+ *
+ * @package Civi\Api4
+ */
+class PaymentToken extends Generic\DAOEntity {
+  use Generic\Traits\OptionList;
+
+}

tests/phpunit/api/v3/PaymentTokenTest.php

@@ -14,15 +14,18 @@
  * @group headless
  */
 class api_v3_PaymentTokenTest extends CiviUnitTestCase {
-  protected $_apiversion;
   protected $params;
   protected $id;
 
   public $DBResetRequired = FALSE;
 
+  /**
+   * Setup for class.
+   *
+   * @throws \CiviCRM_API3_Exception
+   */
   public function setUp(): void {
-    $this->_apiversion = 3;
-    $this->useTransaction(TRUE);
+    $this->useTransaction();
     parent::setUp();
     $contactID = $this->individualCreate();
     $this->params = [
@@ -33,7 +36,14 @@ public function setUp(): void {
     ];
   }
 
-  public function testCreatePaymentToken() {
+  /**
+   * Test create token.
+   *
+   * @dataProvider versionThreeAndFour
+   *
+   * @throws \CRM_Core_Exception
+   */
+  public function testCreatePaymentToken(): void {
     $description = "Create a payment token - Note use of relative dates here:
       @link http://www.php.net/manual/en/datetime.formats.relative.php.";
     $result = $this->callAPIAndDocument('payment_token', 'create', $this->params, __FUNCTION__, __FILE__, $description);
@@ -42,18 +52,32 @@ public function testCreatePaymentToken() {
     $this->getAndCheck(array_merge($this->params, [$this->params]), $result['id'], 'payment_token', TRUE);
   }
 
-  public function testGetPaymentToken() {
-    $result = $this->callAPISuccess('payment_token', 'create', $this->params);
+  /**
+   * Get token test.
+   *
+   * @dataProvider versionThreeAndFour
+   *
+   * @throws \CRM_Core_Exception
+   */
+  public function testGetPaymentToken(): void {
+    $this->callAPISuccess('payment_token', 'create', $this->params);
     $result = $this->callAPIAndDocument('payment_token', 'get', $this->params, __FUNCTION__, __FILE__);
     $this->assertEquals(1, $result['count']);
     $this->assertNotNull($result['values'][$result['id']]['id']);
   }
 
-  public function testDeletePaymentToken() {
+  /**
+   * Delete token test.
+   *
+   * @dataProvider versionThreeAndFour
+   *
+   * @throws \CRM_Core_Exception
+   */
+  public function testDeletePaymentToken(): void {
     $this->callAPISuccess('payment_token', 'create', $this->params);
     $entity = $this->callAPISuccess('payment_token', 'get', ($this->params));
     $delete = ['id' => $entity['id']];
-    $result = $this->callAPIAndDocument('payment_token', 'delete', $delete, __FUNCTION__, __FILE__);
+    $this->callAPIAndDocument('payment_token', 'delete', $delete, __FUNCTION__, __FILE__);
 
     $checkDeleted = $this->callAPISuccess('payment_token', 'get', []);
     $this->assertEquals(0, $checkDeleted['count']);