Got tests in place.

Signed-off-by: Cliff Hill <clifford.hill@gsa.gov>

tests/conftest.py

@@ -1892,6 +1892,13 @@ def sample_invite(mocker, service_one):
     )
 
 
+@pytest.fixture()
+def expired_invite(service_one, sample_invite):
+    expired_invite = {k: v for k, v in sample_invite.items()}
+    expired_invite["status"] = "expired"
+    expired_invite["created_at"] -= timedelta(days=3)
+    return expired_invite
+
 @pytest.fixture()
 def mock_create_invite(mocker, sample_invite):
     def _create_invite(