Do not overwrite `output.write` in live tests.

See merge request !1915
29 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed ERP5.CodingStyleTest-Master

01:46:23

passed ERP5.PerformanceTest-Master

00:34:41

passed ERP5.UnitTest-Master

03:29:52

passed SlapOS.Eggs.UnitTest-Master.Python2

00:15:41

passed SlapOS.Eggs.UnitTest-Master.Python3

00:27:15

passed Wendelin.UnitTest-Master

00:53:43

passed ERP5.CodingStyleTest-Master

01:03:52

passed ERP5.CodingStyleTest-Master

00:50:44

passed ERP5.CodingStyleTest-Master

01:04:33

passed ERP5.PerformanceTest-Master

00:34:28

failed ERP5.PerformanceTest-Master

00:34:34

failed ERP5.PerformanceTest-Master

00:36:28

failed ERP5.UnitTest-Master

01:47:35

failed ERP5.UnitTest-Master

01:14:29

failed ERP5.UnitTest-Master

01:52:05

passed SlapOS.Eggs.UnitTest-Master.Python2

00:14:15

passed SlapOS.Eggs.UnitTest-Master.Python2

00:16:03

passed SlapOS.Eggs.UnitTest-Master.Python2

00:16:15

passed SlapOS.Eggs.UnitTest-Master.Python2

00:13:53

passed SlapOS.Eggs.UnitTest-Master.Python2

00:24:17

passed SlapOS.Eggs.UnitTest-Master.Python3

00:14:59

passed SlapOS.Eggs.UnitTest-Master.Python3

00:30:26

passed SlapOS.Eggs.UnitTest-Master.Python3

00:20:25

passed SlapOS.Eggs.UnitTest-Master.Python3

00:26:39

passed SlapOS.Eggs.UnitTest-Master.Python3

00:17:27

failed Wendelin.UnitTest-Master

01:03:22

failed Wendelin.UnitTest-Master

00:00:22

passed Wendelin.UnitTest-Master

00:44:18

passed Wendelin.UnitTest-Master

00:41:13