Merge branch 'ar/test-cleanup-unused-file-creation-part2'

Test cleanup.

* ar/test-cleanup-unused-file-creation-part2:
  t2019: don't create unused files
  t1502: don't create unused files
  t1450: don't create unused files
  t1300: don't create unused files
  t1300: fix config file syntax error descriptions
  t0300: don't create unused file

diff --cc t/t1300-config.sh
Simple merge

diff --cc t/t1450-fsck.sh
Simple merge