test: add conftest file with monkeypatch to block api calls

Author: itsjohnward

conftest.py

@@ -0,0 +1,9 @@
+# contents of test_app.py, a simple test for our API retrieval
+import pytest
+import requests
+
+
+# Prevent `requests` from making any inadvertent API calls in tests
+@pytest.fixture(autouse=True)
+def no_requests(monkeypatch):
+    monkeypatch.delattr("requests.sessions.Session.request")