diff --git a/dev.py b/dev.py
index 5bd6fc5..599e13c 100644
--- a/dev.py
+++ b/dev.py
@@ -358,7 +358,7 @@ def main():
         dest='run',
         const=no_container,
         help='Create development files without a container-based '
-             'development environment (creates "manage.py").'
+             'development environment (creates "manage.py" and "runtests.py").'
     )
 
     parser.add_argument(
diff --git a/dev.xml b/dev.xml
index 6fe0240..80b88bf 100644
--- a/dev.xml
+++ b/dev.xml
@@ -246,4 +246,66 @@ services:
     mem_limit: 500m
     cpuset: "1"</contents>
     </file>
+    <file for="vagrant;docker;no-container"><path>runtests.py</path>
+        <contents>from __future__ import absolute_import
+
+import os
+import sys
+
+sys.path.append(os.path.join(os.path.dirname(__file__), 'markdownx'))
+
+import django
+from django.conf import settings
+
+configure_settings = {
+    'DATABASES': {
+        'default': {
+            'ENGINE': 'django.db.backends.sqlite3',
+            'NAME': ':memory:',
+        }
+    },
+    'INSTALLED_APPS': [
+        'django.contrib.auth',
+        'django.contrib.contenttypes',
+        'django.contrib.sessions',
+        'django.contrib.staticfiles',
+        'markdownx',
+    ],
+    'DEBUG': False,
+    'STATIC_URL': '/static/',
+    'TEMPLATES': [
+        {
+            'BACKEND': 'django.template.backends.django.DjangoTemplates',
+            'DIRS': [
+                os.path.join(os.path.abspath(os.path.dirname(__file__)), 'markdownx/tests/templates'),
+            ],
+            'APP_DIRS': True,
+            'OPTIONS': {
+                'context_processors': [
+                    'django.contrib.auth.context_processors.auth',
+                    'django.template.context_processors.debug',
+                    'django.template.context_processors.i18n',
+                    'django.template.context_processors.media',
+                    'django.template.context_processors.static',
+                    'django.template.context_processors.tz',
+                    'django.contrib.messages.context_processors.messages',
+                ],
+                'debug': True,
+            },
+        },
+    ],
+    'ROOT_URLCONF': 'tests.urls',
+}
+
+settings.configure(**configure_settings)
+django.setup()
+
+from django.test.utils import get_runner
+test_runner = get_runner(settings)
+failures = test_runner(
+    verbosity=1,
+    interactive=False,
+    failfast=False).run_tests(['tests'])
+sys.exit(failures)</contents>
+    </file>
 </dev>
\ No newline at end of file