function createActualTestDataset() {
  /** @param {string} variant @return {any} */
  const lhr = variant => {
    const lhr = require(`./fixtures/${variant}`);
    if (lhr.lighthouseVersion === '5.6.0') {
      delete lhr.audits['total-blocking-time'];
      delete lhr.audits['largest-contentful-paint'];
    }

    return JSON.stringify(lhr);
  };
  /** @param {number} delta */
  const runAt = delta =>
    new Date(
      new Date('2025-01-01T11:00:00.000Z').getTime() + delta * 24 * 60 * 60 * 1000
    ).toISOString();
  const url = 'http://lhci.example.com/';
  const baseProject = {externalUrl: '', baseBranch: '', token: '', adminToken: '', slug: ''};
  const baseRun = {projectId: '0', representative: false, url};
  const baseBuild = {
    projectId: '0',
    lifecycle: /** @type {'unsealed'} */ ('unsealed'),
    branch: 'master',
    externalBuildUrl: '',
    author: 'Patrick Hulce <patrick@example.com>',
    avatarUrl: 'https://avatars1.githubusercontent.com/u/2301202?s=460&v=4',
    ancestorHash: '',
  };

  return {
    projects: [{...baseProject, id: '0', name: 'Lighthouse Real-World'}],
    builds: [
      {...baseBuild, id: '0', hash: '1234', commitMessage: 'build 1', runAt: runAt(1)},
      {...baseBuild, id: '1', hash: '1236', commitMessage: 'build 2', runAt: runAt(2)},
      {...baseBuild, id: '2', hash: '1237', commitMessage: 'build 3', runAt: runAt(3)},
      {...baseBuild, id: '3', hash: '1238', commitMessage: 'build 4', runAt: runAt(4)},
      {...baseBuild, id: '4', hash: '1239', commitMessage: 'build 5', runAt: runAt(5)},
      {...baseBuild, id: '5', hash: '1240', commitMessage: 'build 6', runAt: runAt(6)},
      {...baseBuild, id: '6', hash: '1241', commitMessage: 'build 7', runAt: runAt(7)},
      {...baseBuild, id: '7', hash: '1242', commitMessage: 'build 8', runAt: runAt(8)},
      {...baseBuild, id: '8', hash: '1243', commitMessage: 'build 9', runAt: runAt(9)},
      {...baseBuild, id: '9', hash: '1244', commitMessage: 'build 10', runAt: runAt(10)},
      {...baseBuild, id: '10', hash: '1245', commitMessage: 'build 11', runAt: runAt(11)},
      {...baseBuild, id: '11', hash: '1246', commitMessage: 'build 12', runAt: runAt(12)},
      {...baseBuild, id: '12', hash: '1247', commitMessage: 'build 13', runAt: runAt(13)},
      {...baseBuild, id: '13', hash: '1248', commitMessage: 'build 14', runAt: runAt(14)},
      {...baseBuild, id: '14', hash: '1249', commitMessage: 'build 15', runAt: runAt(15)},
      {...baseBuild, id: '15', hash: '1250', commitMessage: 'build 16', runAt: runAt(16)},
      {...baseBuild, id: '16', hash: '1251', commitMessage: 'build 17', runAt: runAt(17)},
      {...baseBuild, id: '17', hash: '1252', commitMessage: 'build 18', runAt: runAt(18)},
      {...baseBuild, id: '18', hash: '1253', commitMessage: 'build 19', runAt: runAt(19)},
      {...baseBuild, id: '19', hash: '1254', commitMessage: 'build 20', runAt: runAt(20)},
      {...baseBuild, id: '20', hash: '1255', commitMessage: 'build 21', runAt: runAt(21)},
      {...baseBuild, id: '21', hash: '1256', commitMessage: 'build 22', runAt: runAt(22)},
    ],
    runs: [
      {...baseRun, id: '0', buildId: '0', url, lhr: lhr('lh-5-6-0-verge-a.json')},
      {...baseRun, id: '1', buildId: '1', url, lhr: lhr('lh-5-6-0-verge-b.json')},
      {...baseRun, id: '2', buildId: '2', url, lhr: lhr('lh-6-0-0-coursehero-a.json')},
      {...baseRun, id: '3', buildId: '3', url, lhr: lhr('lh-6-0-0-coursehero-b.json')},
      {...baseRun, id: '4', buildId: '4', url, lhr: lhr('lh-6-2-0-coursehero-a.json')},
      {...baseRun, id: '5', buildId: '5', url, lhr: lhr('lh-6-2-0-coursehero-b.json')},
      {...baseRun, id: '6', buildId: '6', url, lhr: lhr('lh-6-4-1-coursehero-a.json')},
      {...baseRun, id: '7', buildId: '7', url, lhr: lhr('lh-6-4-1-coursehero-b.json')},
      {...baseRun, id: '8', buildId: '8', url, lhr: lhr('lh-7-0-0-coursehero-a.json')},
      {...baseRun, id: '9', buildId: '9', url, lhr: lhr('lh-7-0-0-coursehero-b.json')},
      {...baseRun, id: '10', buildId: '10', url, lhr: lhr('lh-8-0-0-coursehero-a.json')},
      {...baseRun, id: '11', buildId: '11', url, lhr: lhr('lh-8-0-0-coursehero-b.json')},
      {...baseRun, id: '12', buildId: '12', url, lhr: lhr('lh-9-3-0-coursehero-a.json')},
      {...baseRun, id: '13', buildId: '13', url, lhr: lhr('lh-9-3-0-coursehero-b.json')},
      {...baseRun, id: '14', buildId: '14', url, lhr: lhr('lh-10-1-0-coursehero-a.json')},
      {...baseRun, id: '15', buildId: '15', url, lhr: lhr('lh-10-1-0-coursehero-b.json')},
      {...baseRun, id: '16', buildId: '16', url, lhr: lhr('lh-11-4-0-coursehero-a.json')},
      {...baseRun, id: '17', buildId: '17', url, lhr: lhr('lh-11-4-0-coursehero-b.json')},
      {...baseRun, id: '18', buildId: '18', url, lhr: lhr('lh-12-0-0-coursehero-a.json')},
      {...baseRun, id: '19', buildId: '19', url, lhr: lhr('lh-12-0-0-coursehero-b.json')},
      {...baseRun, id: '20', buildId: '20', url, lhr: lhr('lh-12-6-1-coursehero-a.json')},
      {...baseRun, id: '21', buildId: '21', url, lhr: lhr('lh-12-6-1-coursehero-b.json')},
    ],
  };
}
@return {{projects: Array<LHCI.ServerCommand.Project>, builds: Array<LHCI.ServerCommand.Build>, runs: Array<LHCI.ServerCommand.Run>}}