Merge test 3

Dependencies

• [2] 2LNKQV2C Merge test 1
• [3] ASQPZQP5 Merge test 2

Change contents

• replacement in test4.txt at line 1
  [3.12]→[3.13:21](∅→∅)
  − New line
  [3.12]
  + New test
• edit in test3.txt at line 1
  [2.12]

  [2.13]
  + New line