text: const { expect } = require("chai");
  const { ethers } = require("hardhat");
  
  describe("Calc contract", function () {
      it("Deployment computing contract", async function () {
          const Storage = await ethers.getContractFactory("Calc");
          const contract = await Storage.deploy();
          await contract.deployed()
  
          //Set data
          const i = await contract.store(256);
          await i.wait();
  
          //Read data
          const number = await contract.retrieve();
          expect(number).to.equal(256);
  
          /**
           * Calculate addition & subtraction
           */
          const sum = await contract.add(8, 6);
          expect(sum).to.equal(14);
  
          const sub = await contract.sub(8, 6);
          expect(sub).to.equal(2);
      });
  });
  
  /**
   * How to run this test?
   * > npx hardhat test test/Calc --network gw_devnet_v1
   */
  