deduplicate an initialization

Dependencies

• [2] JNJ4R56X support running tests multiple times
• [3] IMEJA43L snapshot
• [*] 3QNOKBFM beginnings of a test harness

Change contents

• edit in app.lua at line 432
  [2.1981]→[2.1981:2000](∅→∅)
  − Test_errors = {}