Merge pull request #27835 from keszybz/test-58-repart-modernization

Cleanup/simplifications for TEST-58-repart

diff --cc test/units/testsuite-58.sh
index acd03d2fdf96e744e6e0d085dc7225f37401e4e7,37dfa9cefe5d07c7be84848b612e27e0c8d6c890..de00f59d26c22dad609de95bb97928844349e635
--- 1/test/units/testsuite-58.sh
--- 2/test/units/testsuite-58.sh
+++ b/test/units/testsuite-58.sh
@@@ -868,11 -889,9 +889,11 @@@ testcase_exclude_files() 
  Type=root-${architecture}
  CopyFiles=/
  CopyFiles=/zzz:/
 +CopyFiles=/:/oiu
 +ExcludeFilesTarget=/oiu/usr
  EOF
  
-     runas testuser tee "$defs/10-usr.conf" <<EOF
+     tee "$defs/10-usr.conf" <<EOF
  [Partition]
  Type=usr-${architecture}
  CopyFiles=/usr:/