add test for NullSpamCheckerService

Author: zghosts

tests/services/NullSpamCheckServiceTest.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace JoindinTest\Services;
+
+use PHPUnit\Framework\TestCase;
+
+class NullSpamCheckServiceTest extends TestCase
+{
+    /**
+     * @test
+     */
+    public function spamCheckShouldReturnTrue()
+    {
+        $service = new \NullSpamCheckService();
+        $this->assertTrue($service->isCommentAcceptable([], '0.0.0.0', 'userAgent'));
+    }
+}