ERROR in unit testing

[AjayAsnani]

const { assert, expect } = require("chai")
const { deployments, ethers, getNamedAccounts } = require("hardhat")
const {
    isCallTrace,
} = require("hardhat/internal/hardhat-network/stack-traces/message-trace")

describe("FundMe", function () {
    let fundMe
    let AggregatorValidatorMock
    let deployer

    beforeEach(async () => {
        // const accounts = await ethers.getSigners()
        // deployer = accounts[0]
        deployer = (await getNamedAccounts()).deployer
        //await deployments.fixture(["all"])
        fundMe = await ethers.getContract("FundMe", deployer)
        mockV3Aggregator = await ethers.getContract(
            "AggregatorValidatorMock",
            deployer
        )
    })
    describe("constructor", function () {
        it("sets the aggregator addresses correctly", async () => {
            const response = await fundMe.getPriceFeed()
            assert.equal(response, AggregatorValidatorMock.address)
        })
    })
    describe("fund", function () {
        // https://ethereum-waffle.readthedocs.io/en/latest/matchers.html
        // could also do assert.fail
        it("Fails if you don't send enough ETH", async () => {
            await expect(fundMe.fund()).to.be.revertedWith(
                "You need to spend more ETH!"
            )
        })
    })
})

ERROR

  1) "before each" hook for "sets the aggregator addresses correctly"

The terminal says that use before each hook instead of every "it" statement and my test doesn't run.

[PatrickAlphaC]

Please remember to use 3 backticks to format code when asking questions.

What is the full error?