debug helper: run a single test

Dependencies

• [2] JNJ4R56X support running tests multiple times
• [*] 3QNOKBFM beginnings of a test harness
• [*] AVTNUQYR basic test-enabled framework

Change contents

• edit in app.lua at line 438
  [5.7554]

  [2.2065]
  + App = saved_app

  + end

  +

  + function App.run_test(test)

  + local saved_app = App

  + App = App_for_tests

  + App.initialize_for_test()

  + xpcall(test, function(err) prepend_debug_info_to_test_failure('', err) end)