Add first pytest based test.

biscuit/core/tests/test_person.py

+from django.test import TestCase
+
+from biscuit.core.models import Person
+
+
+class PersonTestCase(TestCase):
+    def setUp(self):
+        self._person = Person.objects.create(
+            first_name='Jane',
+            last_name='Doe'
+        )
+
+    def test_full_name(self):
+        assert self._person.full_name == 'Doe, Jane'

pyproject.toml

@@ -64,6 +64,9 @@ pylama = "^7.7"
 radon = "^3.0"
 mypy = "^0.720.0"
 django-stubs = "^1.1"
+pytest = "^5.3"
+pytest-django = "^3.7"
+pytest-django-testing-postgresql = "^0.1"
 
 [build-system]
 requires = ["poetry>=0.12"]

tox.ini

@@ -22,3 +22,6 @@ plugins = mypy_django_plugin.main
 
 [mypy.plugins.django-stubs]
 django_settings_module = biscuit.core.settings
+
+[pytest]
+DJANGO_SETTINGS_MODULE = biscuit.core.settings