Stub out test classes for Connected Sites.

tests/MailchimpConnectedSitesTest.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace Mailchimp\Tests;
+
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Mailchimp Connected Sites test library.
+ *
+ * @package Mailchimp\Tests
+ */
+class MailchimpConnectedSitesTest extends TestCase {
+
+}

tests/src/MailchimpConnectedSites.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Mailchimp\Tests;
+
+/**
+ * Mailchimp connected sites library test cases.
+ *
+ * @package Mailchimp\Tests
+ */
+class MailchimpConnectedSites extends \Mailchimp\MailchimpConnectedSites {
+
+  /**
+   * @inheritdoc
+   */
+  public function __construct($api_key = 'apikey', $api_user = 'apikey', $http_options = []) {
+    $this->client = new MailchimpTestHttpClient();
+  }
+
+  public function getClient() {
+    return $this->client;
+  }
+
+  public function getEndpoint() {
+    return $this->endpoint;
+  }
+
+}