[test] init test

tests/conftest.py

@@ -0,0 +1,13 @@
+#!/usr/bin/env python3
+import pytest
+from app import app as flask_app
+
+
+@pytest.fixture
+def app():
+    yield flask_app
+
+
+@pytest.fixture
+def client(app):
+    return app.test_client()

tests/test_index.py

@@ -0,0 +1,5 @@
+#!/usr/bin/env python3
+
+def test_request_example(client):
+    response = client.get("/")
+    assert b"Hello Fediverse!" in response.data