Function task

__tests__/basic-function-test.js:225–245

(key, id, data, retArray)

        testData2 = 'testData2' + Math.random();
      let ret1 = [undefined, undefined], ret2 = [undefined, undefined];
      let task = (key, id, data, retArray) => {
        return storage.save({
          key,
          id,
          data
        }).then(() => {
          return storage.load({
            key,
            id
          });
        }).then(ret => {
          retArray[0] = ret;
          return storage.remove({ key, id });
        }).then(() => {
          return storage.load({ key, id });
        }).then(ret => {
          retArray[1] = ret;
        }).catch(() => {
          retArray[1] = 'catched';
        });
      };
      return Promise.all([
        task(testKey1, undefined, testData1, ret1),
        task(testKey2, testId2, testData2, ret2)