Improved tests

module/Core/test/Entity/TagTest.php

@@ -0,0 +1,18 @@
+<?php
+namespace ShlinkioTest\Shlink\Core\Entity;
+
+use PHPUnit_Framework_TestCase as TestCase;
+use Shlinkio\Shlink\Core\Entity\Tag;
+
+class TagTest extends TestCase
+{
+    /**
+     * @test
+     */
+    public function jsonSerializationOfTagsReturnsItsName()
+    {
+        $tag = new Tag();
+        $tag->setName('This is my name');
+        $this->assertEquals($tag->getName(), $tag->jsonSerialize());
+    }
+}