     # inject syscalls
     # inject celery_script scheduler
     # inject apply_sequence to RegimenInstance
-    {:ok, shim} = TestSysCalls.checkout()
+    {:ok, _shim} = TestSysCalls.checkout()
     that = self()
 
     callee_sequence_id = callee_sequence.id

    # inject syscalls
    # inject celery_script scheduler
    # inject apply_sequence to RegimenInstance
    {:ok, shim} = TestSysCalls.checkout()
    that = self()

    the_sequence_id = the_sequence.id

    :ok =
      TestSysCalls.handle(TestSysCalls, fn

defmodule FarmbotCore.RegimenInstanceWorkerTest do
  use ExUnit.Case, async: false

  alias FarmbotCore.Asset.RegimenInstance

  import Farmbot.TestSupport.AssetFixtures
  alias Farmbot.TestSupport.CeleryScript.TestSysCalls

  test "regimen executes a sequence" do
