[1.8.x] Moved contrib.flatpages tests out of contrib.

Backport of d3a725054f from master

tests/flatpages_tests/test_models.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import unicode_literals
+
+from django.contrib.flatpages.models import FlatPage
+from django.core.urlresolvers import clear_script_prefix, set_script_prefix
+from django.test import TestCase
+
+
+class FlatpageModelTests(TestCase):
+
+    def test_get_absolute_url_urlencodes(self):
+        pf = FlatPage(title="Café!", url='/café/')
+        self.assertEqual(pf.get_absolute_url(), '/caf%C3%A9/')
+
+    def test_get_absolute_url_honors_script_prefix(self):
+        pf = FlatPage(title="Tea!", url='/tea/')
+        set_script_prefix('/beverages/')
+        try:
+            self.assertEqual(pf.get_absolute_url(), '/beverages/tea/')
+        finally:
+            clear_script_prefix()