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 26 seconds (queued for 1 minute and 15 seconds)
detached
Status Job ID Name Coverage
  Build
passed #81850
linux kf5-qt5 qt5.15

00:33:26

45.0%