diff --git a/tests/ChatGeneratorTest.php b/tests/ChatGeneratorTest.php
index 35f95af..f15fd71 100644
--- a/tests/ChatGeneratorTest.php
+++ b/tests/ChatGeneratorTest.php
@@ -192,19 +192,7 @@ public function test_render_simple()
         $this->chat->setKey('XYZ123456');
         $ret = $this->chat->render();
 
-        $expected = "<script type=\"text/javascript\">
-            var _smartsupp = _smartsupp || {};
-            _smartsupp.key = 'XYZ123456';
-
-window.smartsupp||(function(d) {
-                var s,c,o=smartsupp=function(){ o._.push(arguments)};o._=[];
-                s=d.getElementsByTagName('script')[0];c=d.createElement('script');
-                c.type='text/javascript';c.charset='utf-8';c.async=true;
-                c.src='//www.smartsuppchat.com/loader.js';s.parentNode.insertBefore(c,s);
-            })(document);
-            </script>";
-
-        $this->assertEquals($expected, $ret);
+        $this->assertEquals(file_get_contents(dirname(__FILE__) . '/chat_code_simple.txt'), $ret);
     }
 
     public function test_render_simpleOutput()
@@ -216,6 +204,16 @@ public function test_render_simpleOutput()
         $this->expectOutputRegex('/.*window.smartsupp.*/');
     }
 
+    public function test_render_async()
+    {
+        $this->chat->setKey('XYZ123456');
+        $this->chat->setAsync();
+        $this->chat->setAsyncDelay(2500);
+        $ret = $this->chat->render();
+
+        $this->assertEquals(file_get_contents(dirname(__FILE__) . '/chat_code_async.txt'), $ret);
+    }
+
     public function test_render_allParams()
     {
         $this->chat->setKey('XYZ123456');
diff --git a/tests/chat_code.txt b/tests/chat_code.txt
index 8cbe2ef..a595a46 100644
--- a/tests/chat_code.txt
+++ b/tests/chat_code.txt
@@ -1,6 +1,6 @@
 <script type="text/javascript">
-            var _smartsupp = _smartsupp || {};
-            _smartsupp.key = 'XYZ123456';
+                var _smartsupp = _smartsupp || {};
+                _smartsupp.key = 'XYZ123456';
 _smartsupp.cookieDomain = '.foo.bar';
 _smartsupp.sendEmailTanscript = false;
 _smartsupp.ratingEnabled = true;  // by default false
@@ -16,11 +16,11 @@ _smartsupp.gaKey = 'UA-123456';
 _smartsupp.gaOptions = {'cookieDomain': '.foo.bar'};
 _smartsupp.hideWidget = true;
 window.smartsupp||(function(d) {
-                var s,c,o=smartsupp=function(){ o._.push(arguments)};o._=[];
+        var s,c,o=smartsupp=function(){ o._.push(arguments)};o._=[];
                 s=d.getElementsByTagName('script')[0];c=d.createElement('script');
                 c.type='text/javascript';c.charset='utf-8';c.async=true;
                 c.src='//www.smartsuppchat.com/loader.js';s.parentNode.insertBefore(c,s);
             })(document);smartsupp('email', 'johny@depp.com');
 smartsupp('name', 'Johny Depp');
 smartsupp('variables', {orderTotal: {label: 'Total orders', value: '150'}, lastOrder: {label: 'Last ordered', value: '2015-07-09'}});
-            </script>
\ No newline at end of file
+                </script>
\ No newline at end of file
diff --git a/tests/chat_code_async.txt b/tests/chat_code_async.txt
new file mode 100644
index 0000000..bae92ac
--- /dev/null
+++ b/tests/chat_code_async.txt
@@ -0,0 +1,14 @@
+<script type="text/javascript">
+            setTimeout(function() {
+                window._smartsupp = window._smartsupp || {};
+                var _smartsupp = window._smartsupp;
+                _smartsupp.key = 'XYZ123456';
+
+window.smartsupp||(function(d) {
+        var s,c,o=smartsupp=function(){ o._.push(arguments)};o._=[];
+                s=d.getElementsByTagName('script')[0];c=d.createElement('script');
+                c.type='text/javascript';c.charset='utf-8';c.async=true;
+                c.src='//www.smartsuppchat.com/loader.js';s.parentNode.insertBefore(c,s);
+            })(document);
+            }, 2500);
+            </script>
\ No newline at end of file
diff --git a/tests/chat_code_simple.txt b/tests/chat_code_simple.txt
new file mode 100644
index 0000000..8f720cd
--- /dev/null
+++ b/tests/chat_code_simple.txt
@@ -0,0 +1,11 @@
+<script type="text/javascript">
+                var _smartsupp = _smartsupp || {};
+                _smartsupp.key = 'XYZ123456';
+
+window.smartsupp||(function(d) {
+        var s,c,o=smartsupp=function(){ o._.push(arguments)};o._=[];
+                s=d.getElementsByTagName('script')[0];c=d.createElement('script');
+                c.type='text/javascript';c.charset='utf-8';c.async=true;
+                c.src='//www.smartsuppchat.com/loader.js';s.parentNode.insertBefore(c,s);
+            })(document);
+                </script>
\ No newline at end of file