Fix test_codecompletion, test_duchain-clang, test_problems and...

Fix test_codecompletion, test_duchain-clang, test_problems and test_files-clang failing on newer Ubuntu
1 job for !193 with fixTestOnNewUbuntu in 33 minutes and 17 seconds (queued for 72 minutes and 21 seconds)
detached
Status Job ID Name Coverage
  Build
passed #77974
linux kf5-qt5 qt5.12

00:33:17

47.0%