Merge text0

Dependencies

• [2] JNJ4R56X support running tests multiple times
• [3] ARYMNK52 merge bugfix: show test failures
• [4] 36Z442IV back to commit 8123959e52f without code editing
• [*] 3QNOKBFM beginnings of a test harness

Change contents

• edit in app.lua at line 74
  [2.1850]→[2.1850:1934](∅→∅)
  − if #Test_errors > 0 then

  − error('\n\n'..table.concat(Test_errors, '\n'))

  − end
• resolve order conflict in app.lua at line 74
  [2.1850]

  [3.34]