Offer pytest as testing tool

It's optional

.gitignore

@@ -13,3 +13,4 @@ coin/settings_local.py
 .idea
 venv
 /coin.sqlite3
+.cache/

README.md

@@ -127,6 +127,16 @@ LDAP-related tests are disabled by default.
 Setup LDAP parameters and activate LDAP in settings to make the LDAP tests
 run.
 
+### With pytest
+
+Setup:
+
+    pip install pytest-django
+
+Run:
+
+    pytest
+
 
 Available commands
 ==================

setup.cfg

@@ -0,0 +1,4 @@
+[tool:pytest]
+DJANGO_SETTINGS_MODULE=coin.settings_test
+norecursedirs = .* _build tmp*  build dist *.egg *venv*
+python_files = tests* test*