bonus-track-2-2.ts

//// Mine a block
  await hre.network.provider.request({
  method: "evm_mine",
  params: [],
  });
//// Increase block chain Time
  await hre.network.provider.request({
  method: "evm_increaseTime",
  params: [INCREASE_PERIOD_IN_SEC],
  });
//// set next block Timestamp
  await hre.network.provider.request({
  method: "evm_setNextBlockTimestamp",
  params: [NEW_TIMESTAMP],
  });