Add one test for tumblr

Author: nicolas-t

tests/TumblrTest.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Embed\Tests;
+
+class TumblrTest extends AbstractTestCase
+{
+    public function testOne()
+    {
+        $this->assertEmbed(
+            'http://he-who-photographs-rather-ok.tumblr.com/post/165326273724',
+            [
+                'url' => 'http://he-who-photographs-rather-ok.tumblr.com/post/165326273724',
+                'authorName' => 'He-who-photographs-rather-OK',
+                'authorUrl' => 'http://he-who-photographs-rather-ok.tumblr.com/',
+                'type' => 'rich',
+            ]
+        );
+    }
+}