This is very confusing as seen in #12974 or #12906. My suggestion would be "legacy."
args.push("--noChrome");
    }
    var testProcess = startNode(args, { cwd: TEST_DIR, stdio: "inherit" });
    testProcess.on("close", function (code) {
      source.push(null);
    });
    return undefined;
  };
  return source;
}
function makeRef(done, bot) {
  console.log();
  console.log("### Creating reference images");
  var args = ["test.js", "--masterMode"];
  if (bot) {
    args.push("--noPrompts", "--strictVerify");
  }
  if (process.argv.includes("--noChrome")) {
    args.push("--noChrome");
  }
  var testProcess = startNode(args, { cwd: TEST_DIR, stdio: "inherit" });
  testProcess.on("close", function (code) {
    done();
  });
}
gulp.task("default", function (done) {
  console.log("Available tasks:");
  var tasks = Object.keys(gulp.registry().tasks());
  tasks.sort();
  tasks.forEach(function (taskName) {