assertion failed in FundMe Contract

[khushbusandhu]

Hey there!

  describe("fundme", async function () {
    it("Fails if you don't send enough ETH", async () => {
      await expect(fundMe.fund()).to.be.revertedWith(
        "You need to spend more ETH!"
      );
    });

this is my test and i am getting an error

        Fails if you don't send enough ETH:
     AssertionError: Expected transaction to be reverted with reason 'You need to spend more ETH!', but it didn't revert
      at processTicksAndRejections (node:internal/process/task_queues:96:5)
      at Context.<anonymous> (test/unit/FundMe.test.js:24:7)



error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

please help me with this