intial commit of tests, documentation

tests/test_availabilitysummary.py

@@ -0,0 +1,7 @@
+from tests.base import BaseModelTestCase
+from unittest import TestCase
+from pyteamsnap.models import AvailabilitySummary
+
+class TestAvailabilitySummary(BaseModelTestCase, TestCase):
+    __test__ = True
+    TestClass = AvailabilitySummary