Flask sqlalchemy declarative db configuration

dbtests.py

import someapp as j
from someapp.db.database import init_db, drop_db

import unittest
import fixtures

from BeautifulSoup import BeautifulSoup as bs

appurl = "/api/%s"
header = { "content-type": "application/json" }

class JoyHikeDBCase(unittest.TestCase):

    test_user1 = {
            'username': 'wxillixxaxxmm3',
            'email': 'wixlm3@soxxxuthpark.com',
            'password': 'pxmwerxxxs3'
            }

    def create_app(self):
        j.app.config['TESTING'] = True
        from joyhikeserve.db.testdatabase import dburi as testdburi
        from joyhikeserve.db.testdatabase import engine as testengine
        self.dburi = testdburi
        self.engine = testengine
        j.app.config['DATABASE'] = self.dburi
        j.app.config['SQLALCHEMY_DATABASE_URI'] = self.dburi
        self.app = j.app.test_client()

    def setUp(self):
        self.create_app()
        drop_db() # clear anything else in the db
        init_db()
        fixtures.install(self.engine, *fixtures.all_data)
        from joyhikeserve.db.testdatabase import db_session as testsession
        self.session = testsession

    def tearDown(self):
        drop_db()
        self.session.remove()