Merge text0

Dependencies

• [2] A3Z3S62K get rid of dubious heuristic helper
• [3] 4EGQRXDA bugfix: naming points
• [4] 3QMTXKWN rename
• [5] 5ZCQGZP5 save 2 more alternate formats for test failures
• [6] AVTNUQYR basic test-enabled framework
• [7] FCFJVYKY redundant check
• [8] Q7HDVBN7 keep some prints in the terminal for now
• [9] JNJ4R56X support running tests multiple times
• [10] ORRSP7FV deduce test names on failures
• [11] IMEJA43L snapshot
• [12] TSV3KPBR tweak format of test failures
• [13] CZQ3NJ4N Merge text0
• [14] 2NTKHMLG configurable error handler when running tests
• [*] 3QNOKBFM beginnings of a test harness

Change contents

• edit in app.lua at line 438
  [4.47]→[4.114:181](∅→∅)
  − xpcall(_G[name], function(err) record_error_fn(name, err) end)
• resurrect zombie in app.lua at line 438
  [4.47]→[3.1966:1994](∅→∅),[4.47]→[3.1966:1994](∅→∅)
  + --? print('=== '..name)
• edit in app.lua at line 439
  [3.1994]

  [4.7548]
  + xpcall(_G[name], function(err) record_error_fn(name, err) end)
• edit in app.lua at line 487
  [4.60904]→[3.1995:2057](∅→∅),[4.60904]→[3.1995:2057](∅→∅),[4.60904]→[3.1995:2057](∅→∅),[4.61148]→[3.2058:2195](∅→∅),[4.61148]→[3.2058:2195](∅→∅),[4.61148]→[3.2058:2195](∅→∅)
  − local stack_trace = debug.traceback('', --[[stack frame]]4)

  − --? local full_error = file_and_line_number..':'..test_name..' -- '..err_without_line_number..'\t\t'..stack_trace:gsub('\n', '\n\t\t')