[BUG] salt.parallel_runners is broken (missing LoaderContext)

Description

# test_orch.sls
parallel-state:
   salt.parallel_runners:
     - runners:
         my_runner_1:
           - name: test.stdout_print

salt-run state.orch test_orch

[ERROR   ] An exception occurred in this state: Traceback (most recent call last):
  File "/home/vagrant/repo/salt/state.py", line 2429, in call
    ret = self.states[cdata["full"]](
  File "/home/vagrant/repo/salt/loader/lazy.py", line 160, in __call__
    ret = self.loader.run(run_func, *args, **kwargs)
  File "/home/vagrant/repo/salt/loader/lazy.py", line 1233, in run
    return self._last_context.run(self._run_as, _func_or_method, *args, **kwargs)
  File "/home/vagrant/repo/salt/loader/lazy.py", line 1248, in _run_as
    return _func_or_method(*args, **kwargs)
  File "/home/vagrant/repo/salt/loader/lazy.py", line 1281, in wrapper
    return f(*args, **kwargs)
  File "/home/vagrant/repo/salt/states/saltmod.py", line 913, in parallel_runners
    outputs = _parallel_map(call_runner, list(runners.values()))
  File "/home/vagrant/repo/salt/states/saltmod.py", line 97, in _parallel_map
    raise exc_value.with_traceback(exc_traceback)
  File "/home/vagrant/repo/salt/states/saltmod.py", line 83, in run_thread
    outputs[index] = func(inputs[index])
  File "/home/vagrant/repo/salt/states/saltmod.py", line 904, in call_runner
    return __salt__["saltutil.runner"](
  File "/home/vagrant/repo/salt/loader/context.py", line 85, in __getitem__
    return self.value()[item]
TypeError: 'NoneType' object is not subscriptable

Setup

• VM
• virtualenv
• salt 3007.0rc1+375.g540b8ab548 (Chlorine)