import { getContext } from '@ember/test-helpers'; export default data => { const context = getContext(); const store = context.owner.lookup('service:store'); const modelName = Array.isArray(data) ? data[0].modelName : data.modelName; const json = context.server.serializerOrRegistry.serialize(data); store.push(json); return Array.isArray(data) ? data.map(({ id }) => store.peekRecord(modelName, id)) : store.peekRecord(modelName, data.id); };