message: add test for estimateGas
diff: @@ -189,4 +189,14 @@ describe("DumbContract", () => {
  expect(result).to.be.a("string");
  expect(result).to.eq(byteString);
  });
  +
  + describe("estimateGas", () => {
  + it("should work", async () => {
  + const dumbContract = await DumbContract.createAndValidate(web3, contractAddress);
  +
  + const estimatedGas = await dumbContract.countupTx(1).estimateGas({ from: accounts[0] });
  +
  + expect(estimatedGas).to.be.eq(82573);
  + });
  + });
  });
  