fixed testing script

test_app.py

@@ -0,0 +1,27 @@
+import pytest
+import os
+from app import app
+from models import db, Feature
+
+@pytest.fixture
+def client():
+    app.config['TESTING'] = True
+    app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///:memory:'
+    app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+    db.init_app(app)  # Re-init DB with test config
+
+    with app.test_client() as client:
+        with app.app_context():
+            db.create_all()
+            yield client
+            db.drop_all()
+
+def test_index(client):
+    response = client.get('/')
+    assert response.status_code == 200
+    assert b'Professional Demo Site' in response.data
+
+def test_seed_db(client):  # Add fixture here
+    with app.app_context():
+        Feature.seed_db()
+        assert Feature.query.count() == 3