Speedup the tests by using a weaker hash algo.

On my machine, it reduced the time to run the
test suite from 86s to 53s.

(Most of the remaining time is consumed by the
integration tests spawning chrome in the background)

umap/tests/conftest.py

@@ -9,10 +9,10 @@ from umap.models import Map
 
 from .base import (
     DataLayerFactory,
-    MapFactory,
-    UserFactory,
-    TileLayerFactory,
     LicenceFactory,
+    MapFactory,
+    TileLayerFactory,
+    UserFactory,
 )
 
 TMP_ROOT = tempfile.mkdtemp()
@@ -80,3 +80,4 @@ def datalayer(map):
 @pytest.fixture
 def tilelayer():
     return TileLayerFactory()
+

umap/tests/settings.py

@@ -16,3 +16,7 @@ if "TRAVIS" in os.environ:
             "USER": "travis",
         }
     }
+
+PASSWORD_HASHERS = [
+    "django.contrib.auth.hashers.MD5PasswordHasher",
+]