beforeEach(function () { originalNodeEnv = process.env.NODE_ENV; delete process.env.OPENSHIFT_LOG_DIR; delete process.env.OPENSHIFT_NODEJS_PORT; delete process.env.PORT; delete process.env.MONGO_DB_URL; delete process.env.MONGO_DB_HOST; delete process.env.MONGO_DB_PORT; delete process.env.MONGO_DB_NAME; delete process.env.MONGO_DB_USERNAME; delete process.env.MONGO_DB_PASSWORD; delete process.env.OPENSHIFT_MONGO_DB_URL; delete process.env.OPENSHIFT_MONGO_DB_HOST; delete process.env.OPENSHIFT_MONGO_DB_PORT; delete process.env.OPENSHIFT_MONGO_DB_NAME; delete process.env.OPENSHIFT_MONGO_DB_USERNAME; delete process.env.OPENSHIFT_MONGO_DB_PASSWORD; delete process.env.MONGOLAB_URI; delete process.env.MONGOHQ_URL; delete require.cache[require.resolve('./../../config/config')]; });