diff --git a/muk_web_preview_mail/__manifest__.py b/muk_web_preview_mail/__manifest__.py
index 3cd43c1..9a354df 100644
--- a/muk_web_preview_mail/__manifest__.py
+++ b/muk_web_preview_mail/__manifest__.py
@@ -43,6 +43,7 @@
         "template/assets.xml",
     ],
     "demo": [
+        "demo/preview_mail_demo.xml",
     ],
     "qweb": [
         "static/src/xml/*.xml",
diff --git a/muk_web_preview_mail/tests/data/sample.eml b/muk_web_preview_mail/demo/data/sample.eml
similarity index 100%
rename from muk_web_preview_mail/tests/data/sample.eml
rename to muk_web_preview_mail/demo/data/sample.eml
diff --git a/muk_web_preview_mail/demo/preview_mail_demo.xml b/muk_web_preview_mail/demo/preview_mail_demo.xml
new file mode 100644
index 0000000..65bced4
--- /dev/null
+++ b/muk_web_preview_mail/demo/preview_mail_demo.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data noupdate="1">
+	
+	<record id="mail_attachment_demo" model="ir.attachment">	    
+		<field name="name">sample.eml</field> 
+		<field name="datas_fname">sample.eml</field>
+	    <field name="datas" type="base64" file="muk_web_preview_mail/demo/data/sample.eml"/>
+	</record>
+	
+
+	</data>
+</odoo>
\ No newline at end of file
diff --git a/muk_web_preview_mail/tests/test_mail_parse.py b/muk_web_preview_mail/tests/test_mail_parse.py
index 63dac62..2c4db6e 100644
--- a/muk_web_preview_mail/tests/test_mail_parse.py
+++ b/muk_web_preview_mail/tests/test_mail_parse.py
@@ -45,13 +45,7 @@ class MailParseTestCase(common.HttpCase):
     
     def setUp(self):
         super(MailParseTestCase, self).setUp()
-        self.attachment_model = self.env['ir.attachment'].sudo()
-        with closing(open(os.path.join(_path, 'tests/data/sample.eml'), 'rb')) as file:
-            self.sample_mail_attachment = self.attachment_model.create({
-                'name': 'SampleMail',
-                'datas_fname': "sample.eml",
-                'datas': base64.b64encode(file.read()),
-            })
+        self.attachment_model = self.browse_ref('muk_web_preview_mail.mail_attachment_demo')
 
     def tearDown(self):
         super(MailParseTestCase, self).tearDown()