The prebuilt files include `web/pdf_viewer.js` with some viewer APIs. Those are missing from type declarations.
createTestSource("integration")
    );
  })
);
gulp.task(
  "bottest",
  gulp.series(setTestEnv, "generic", "components", function runBotTest() {
    return streamqueue(
      { objectMode: true },
      createTestSource("unit", true),
      createTestSource("font", true),
      createTestSource("browser (no reftest)", true),
      createTestSource("integration")
    );
  })
);
gulp.task(
  "browsertest",
  gulp.series(setTestEnv, "generic", "components", function runBrowserTest() {
    return createTestSource("browser");
  })
);
gulp.task(
  "unittest",
  gulp.series(setTestEnv, "generic", function runUnitTest() {
    return createTestSource("unit");
  })
);
gulp.task(
  "integrationtest",