var headVar = "I'm a var in head file";

function headMethod() {
  return true;
}

ok(true, "I'm a test in head file");

registerCleanupFunction(function() {
  ok(true, "I'm a cleanup function in head file");
  is(
    this.headVar,
    "I'm a var in head file",
    "Head cleanup function scope is correct"
  );
});