old_contents: import os
  
  import flask_sqlalchemy as fsa
  import pytest
  from flask import Flask
  from flask.testing import FlaskClient
  
  from flask_resty.testing import ApiClient
  
  # -----------------------------------------------------------------------------
  
  
  @pytest.fixture
  def app():
      app = Flask(__name__)
      app.config["TESTING"] = True
  
      return app
  
  
  @pytest.fixture
  def db(app):
      app.config["SQLALCHEMY_DATABASE_URI"] = os.environ.get(
          "DATABASE_URL", "sqlite://"
      )
  
      # TODO: Remove once this is the default.
      app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
  
      return fsa.SQLAlchemy(app)
  
  
  @pytest.fixture
  def client(app):
      app.test_client_class = ApiClient
      return app.test_client()
  
  
  @pytest.fixture
  def base_client(app):
      app.test_client_class = FlaskClient
      return app.test_client()
  
new_contents: import os
  
  import flask_sqlalchemy as fsa
  import pytest
  from flask import Flask
  from flask.testing import FlaskClient
  
  from flask_resty.testing import ApiClient
  
  # -----------------------------------------------------------------------------
  
  
  @pytest.fixture
  def app():
      app = Flask(__name__)
      app.testing = True
      return app
  
  
  @pytest.fixture
  def db(app):
      app.config["SQLALCHEMY_DATABASE_URI"] = os.environ.get(
          "DATABASE_URL", "sqlite://"
      )
  
      # TODO: Remove once this is the default.
      app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
  
      return fsa.SQLAlchemy(app)
  
  
  @pytest.fixture
  def client(app):
      app.test_client_class = ApiClient
      return app.test_client()
  
  
  @pytest.fixture
  def base_client(app):
      app.test_client_class = FlaskClient
      return app.test_client()
  
subject: Use cleaner setter in tests (#335)