diff --git a/README.md b/README.md
index 468e1a4..cac3d4a 100644
--- a/README.md
+++ b/README.md
@@ -158,6 +158,7 @@ $headlessChromer = new HeadlessChrome();
 $headlessChromer->setBinaryPath('C:\Program Files (x86)\Google\Chrome\Application\chrome');
 $headlessChromer->setOutputDirectory(__DIR__);
 $headlessChromer->setHTMLFile(__DIR__ . '\assets\HTMLFile.html');
+
 var_dump($headlessChromer->getDOM());
 ```
 
diff --git a/tests/HeadlessChromeTestSuite.php b/tests/HeadlessChromeTestSuite.php
index 3911334..a6d9b83 100644
--- a/tests/HeadlessChromeTestSuite.php
+++ b/tests/HeadlessChromeTestSuite.php
@@ -3,42 +3,48 @@
 use daandesmedt\PHPHeadlessChrome\HeadlessChrome;
 use PHPUnit\Framework\TestCase;
 
-final class HeadlessChromeTestSuite extends TestCase{
+final class HeadlessChromeTestSuite extends TestCase
+{
 
     protected $binaryPath = 'C:\Program Files (x86)\Google\Chrome\Application\chrome.exe';
     protected $url = 'http://www.google.be';
     protected $ouputDirectory = 'C:/output/headlesschrome';
 
 
-    public function testConstructor(){
+    public function testConstructor()
+    {
         $headlessChromer = new HeadlessChrome($this->url, $this->binaryPath);
         $this->assertEquals($this->url, $headlessChromer->getUrl());
         $this->assertEquals($this->binaryPath, $headlessChromer->getBinaryPath());
     }
 
 
-    public function testSetBinaryPath() {
+    public function testSetBinaryPath()
+    {
         $headlessChromer = new HeadlessChrome();
         $headlessChromer->setBinaryPath($this->binaryPath);
         $this->assertEquals($this->binaryPath, $headlessChromer->getBinaryPath());
     }
 
 
-    public function testSetURL() {
+    public function testSetURL()
+    {
         $headlessChromer = new HeadlessChrome();
         $headlessChromer->setUrl($this->url);
         $this->assertEquals($this->url, $headlessChromer->getUrl());
     }
 
 
-    public function testSetOutputDirectory() {
+    public function testSetOutputDirectory()
+    {
         $headlessChromer = new HeadlessChrome();
         $headlessChromer->setOutputDirectory($this->ouputDirectory);
         $this->assertEquals(realpath($this->ouputDirectory), $headlessChromer->getOutputDirectory());
     }
 
 
-    public function testSetArguments() {        
+    public function testSetArguments()
+    {
         $arguments = [
             '--headless' => '',
             '--disable-gpu' => '',
@@ -54,7 +60,8 @@ public function testSetArguments() {
     }
 
 
-    public function testSetArgumentsEmpty() {        
+    public function testSetArgumentsEmpty()
+    {
         $arguments = [
             '' => '',
             ' ' => '  ',
@@ -68,7 +75,8 @@ public function testSetArgumentsEmpty() {
     }
 
 
-    public function testSetArgument() {        
+    public function testSetArgument()
+    {
         $arguments = [
             '--headless' => '',
             '--disable-gpu' => '',
@@ -77,22 +85,24 @@ public function testSetArgument() {
             '--added-argument=' => 'value',
         ];
         $headlessChromer = new HeadlessChrome();
-        $headlessChromer->setArgument('--added-argument','value');
+        $headlessChromer->setArgument('--added-argument', 'value');
         foreach ($arguments as $argument => $value) {
             $this->assertArrayHasKey($argument, $headlessChromer->getArguments());
             $this->assertEquals($value, $headlessChromer->getArguments()[$argument]);
         }
     }
-    
 
-    public function testWindowSize() {        
+
+    public function testWindowSize()
+    {
         $headlessChromer = new HeadlessChrome();
-        $headlessChromer->setWindowSize(1024,2048);
+        $headlessChromer->setWindowSize(1024, 2048);
         $this->assertEquals('1024,2048', $headlessChromer->getArguments()['--window-size=']);
     }
 
 
-    public function testSetHTML() {        
+    public function testSetHTML()
+    {
         $HTML = 'test HTML content';
         $headlessChromer = new HeadlessChrome();
         $headlessChromer->setHTML($HTML);
@@ -100,24 +110,34 @@ public function testSetHTML() {
     }
 
 
-    public function testSetHTMLFile() { 
+    public function testSetHTMLFile()
+    {
         $filePath = __DIR__ . '\..\examples\assets\HTMLFile.html';
         $headlessChromer = new HeadlessChrome();
         $headlessChromer->setHTMLFile($filePath);
         $this->assertEquals("file://$filePath", $headlessChromer->getUrl());
     }
 
-    public function testSetHTMLFileException() { 
+    public function testSetHTMLFileException()
+    {
         $filePath = __DIR__ . '\HTMLFile.html';
         $headlessChromer = new HeadlessChrome();
         $this->setExpectedException(Exception::class);
         $headlessChromer->setHTMLFile($filePath);
     }
 
-    public function testUseMobile() {        
+    public function testUseMobile()
+    {
         $headlessChromer = new HeadlessChrome();
         $headlessChromer->useMobile();
         $this->assertEquals('Mozilla/5.0 (Linux; U; Android 4.0.3; ko-kr; LG-L160L Build/IML74K) AppleWebkit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30', $headlessChromer->getArguments()['--user-agent=']);
     }
 
-}
\ No newline at end of file
+    public function testGetDOM()
+    {
+        $HTML = '<div>DOM</div>';
+        $headlessChromer = new HeadlessChrome();
+        $headlessChromer->setHTML($HTML);
+        $this->assertEquals($headlessChromer->getDOM(), $HTML);
+    }
+}