👋 Hello, team! I don't understand anything! Please help, I've been sitting here for hours, nothing works. Here's an example from the documentation, but it doesn't work. Error:

1) GET /dogs
       returns an HTTP 200 and a list of dogs:
     TypeError: provider.executeTest is not a function
      at Context.<anonymous> (file:///home/chepracio/Projects/tests/pact/test-from-doc/tests/server-1.test.js:52:21)
      at process.processImmediate (node:internal/timers:478:21)

Code:

import {PactV4, MatchersV3, SpecificationVersion} from '@pact-foundation/pact';
import axios from "axios";
import path from "path";

// Create a 'pact' between the two applications in the integration we are testing
const provider = new PactV4({
  log: path.resolve(process.cwd(), "logs", "pact.log"),
  dir: "/home/chepracio/Projects/_utils/docker-composes/pact/pacts/",
  consumer: 'MyConsumer',
  provider: 'MyProvider',
  spec: SpecificationVersion.SPECIFICATION_VERSION_V4, // Modify this as needed for your use case
});

// API Client that will fetch dogs from the Dog API
// This is the target of our Pact test
class DogService {
  constructor(url) {
    this.url = url
  }

  getMeDogs = (from) => {
    return axios.request({
      baseURL: this.url,
      params: {from},
      headers: {Accept: 'application/json'},
      method: 'GET',
      url: '/dogs',
    });
  };
}


const dogExample = {dog: 1};
const EXPECTED_BODY = MatchersV3.eachLike(dogExample);
let dogService;

describe('GET /dogs', () => {
  it('returns an HTTP 200 and a list of dogs', () => {
    provider
      .addInteraction()
      .given('I have a list of dogs')
      .uponReceiving('a request for all dogs with the builder pattern')
      .withRequest('GET', '/dogs', (builder) => {
        builder.query({from: 'today'})
        builder.headers({Accept: 'application/json'})
      })
      .willRespondWith(200, (builder) => {
        builder.headers({'Content-Type': 'application/json'})
        builder.jsonBody(EXPECTED_BODY)
      });

    return provider.executeTest(async (mockserver) => {
      // Act: test our API client behaves correctly
      //
      // Note we configure the DogService API client dynamically to
      // point to the mock service Pact created for us, instead of
      // the real one
      dogService = new DogService(mockserver.url);
      const response = await dogService.getMeDogs('today')

      // Assert: check the result
      expect(response.data[0]).to.deep.eq(dogExample);
    });
  });
});