[Tests] Add test for Module\Api\Twitter\ContactEndpoint

- Add necessary fixture data

tests/src/Module/Api/Twitter/ContactEndpointMock.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Friendica\Test\src\Module\Api\Twitter;
+
+/**
+ * Class ContactEndpointMock
+ *
+ * Exposes protected methods for test in the inherited class
+ *
+ * @method static int   getUid(int $contact_id = null, string $screen_name = null)
+ * @method static array list($rel, int $uid, int $cursor = -1, int $count = self::DEFAULT_COUNT, bool $skip_status = false, bool $include_user_entities = true)
+ * @method static array ids($rel, int $uid, int $cursor = -1, int $count = self::DEFAULT_COUNT, bool $stringify_ids = false)
+ *
+ * @package Friendica\Test\Mock\Module\Api\Twitter
+ */
+class ContactEndpointMock extends \Friendica\Module\Api\Twitter\ContactEndpoint
+{
+	public static function __callStatic($name, $arguments)
+	{
+		return self::$name(...$arguments);
+	}
+}