Fixed a oneclickaction test

dav_events/tests/test_oneclickactions.py

@@ -117,15 +117,12 @@ class ActionTestCase(EmailTestMixin, RoleMixin, EventMixin, TestCase):
                             ' von %(user)s'
                             ' auf \'%(status)s\' gesetzt.') % {
                        'status': status_label,
-                       'date': datetime.datetime.now().strftime('%d.%m.%Y %H:%M:%S'),
+                       # 'date': datetime.datetime.now().strftime('%d.%m.%Y %H:%M:%S'),
+                       'date': '\d{2}\.\d{2}\.\d{4} \d{2}:\d{2}:\d{2}',
                        'user': user.get_full_name(),
                    })
-        html = message.replace('\'', ''')
-        # Sometimes this test fail, and we cannot see the tested content, so we create our own Exception
-        try:
-            self.assertInHTML(html, content)
-        except AssertionError:
-            raise AssertionError('Not in HTML:\n{}\n-----\n{}\n'.format(html, content))
+        html = message.replace('\'', ''')
+        self.assertRegex(content, html)
         self.assertRegex(content, r'alert-success')
 
     def setUp(self):