Fix Leaflet.TextPath test

Author: juoceano

tests/plugins/test_polyline_text_path.py

@@ -45,7 +45,7 @@ def test_polyline_text_path():
     out = m._parent.render()
 
     # We verify that the script import is present.
-    script = '<script src="https://rawgit.com/makinacorpus/Leaflet.TextPath/gh-pages/leaflet.textpath.js"></script>'  # noqa
+    script = '<script src="https://rawgit.com/makinacorpus/Leaflet.TextPath/leaflet0.8-dev/leaflet.textpath.js"></script>'  # noqa
     assert script in out
 
     # We verify that the script part is correct.