delete all tests once they've executed

Dependencies

• [2] AVTNUQYR basic test-enabled framework
• [*] 3QNOKBFM beginnings of a test harness

Change contents

• edit in app.lua at line 263
  [2.7564]

  [2.7564]
  + -- clean up all test methods

  + for _,name in ipairs(sorted_names) do

  + _G[name] = nil

  + end