added tests for Bing

Author: Athlon1600

tests/BingTest.php

@@ -0,0 +1,18 @@
+<?php
+
+use PHPUnit\Framework\TestCase;
+use SerpScraper\Engine\BingSearch;
+
+final class BingTest extends TestCase
+{
+    public function testSearch()
+    {
+        $bing = new BingSearch();
+        $bing->setPreference('results_per_page', 50);
+
+        $res = $bing->search('bing');
+
+        $this->assertEquals(10, count($res->results));
+    }
+}
+

tests/GoogleTest.php

@@ -5,7 +5,7 @@
 
 final class GoogleTest extends TestCase
 {
-    public function testGoogleSearch()
+    public function testSearch()
     {
         $google = new GoogleSearch();
         $res = $google->search('google');