added coverage dependency; 99 percent test coverage (only lacking admin, currently by design); commenced postgresql db integration

src/apps/lyric/tests/unit/test_authentication.py

@@ -10,3 +10,8 @@ class SimpleAuthenticateTest(SimpleTestCase):
             HttpRequest(), "no-such-token"
         )
         self.assertIsNone(result)
+
+    def test_returns_None_if_no_uuid(self):
+        result = PasswordlessAuthenticationBackend().authenticate(HttpRequest())
+        self.assertIsNone(result)
+