Added basic users and tasks endpoints tests

api/tests/conftest.py

@@ -0,0 +1,15 @@
+import pytest
+from app import create_app
+from models import db
+
+@pytest.fixture
+def test_client():
+    """Creates a new instance of test app."""
+    app = create_app("testing")
+    
+    with app.test_client() as client:
+        with app.app_context():
+            db.create_all()
+            yield client
+            db.session.remove()
+            db.drop_all()