rename conflicting test methods

Some test methods where redefined, use different name to prevent the
clashes
10 jobs for feat/pylint in 0 seconds
Status Job ID Name Coverage
  External
running SlapOS.Eggs.UnitTest-Jerome.Python2

20384:37:42

passed SlapOS.Eggs.UnitTest-Jerome.Python3

00:41:12

running SlapOS.Eggs.UnitTest-Jerome.Python3

20384:04:41

passed SlapOS.Eggs.UnitTest-Jerome.Python2

00:12:54

passed SlapOS.Eggs.UnitTest-Jerome.Python2

00:15:37

passed SlapOS.Eggs.UnitTest-Jerome.Python2

00:16:57

passed SlapOS.Eggs.UnitTest-Jerome.Python2

00:15:38

passed SlapOS.Eggs.UnitTest-Jerome.Python3

00:41:46

passed SlapOS.Eggs.UnitTest-Jerome.Python3

00:44:29

passed SlapOS.Eggs.UnitTest-Jerome.Python3

00:25:29