hardhat-template/test/greeter/Greeter.fixture.ts

import { ethers } from "hardhat";

import type { Greeter } from "../../types/Greeter";
import type { Greeter__factory } from "../../types/factories/Greeter__factory";

export async function deployGreeterFixture(): Promise<{ greeter: Greeter }> {
  const signers = await ethers.getSigners();
  const admin = signers[0];

  const greeting = "Hello, world!";
  const greeterFactory = await ethers.getContractFactory("Greeter");
  const greeter = await greeterFactory.connect(admin).deploy(greeting);
  await greeter.waitForDeployment();

  return { greeter };
}