ERP5TypeTestSuite/SavedTestSuite: don't run tests when setup fail

If there's an error during the --save setup, we don't need to run
the --load steps, because test failed already and if they don't
fail in --load step, it would be a case where some errors are not
reported.
32 jobs for erp5_drone_simulator
Status Job ID Name Coverage
  External
passed ERP5.CodingStyleTest-Master

01:03:56

passed ERP5.PerformanceTest-Master

00:26:07

failed ERP5.UnitTest-Master

01:36:37

failed ERP5.UnitTest-Master.Medusa

04:21:45

passed SlapOS.Eggs.UnitTest-Master.Python2

00:12:51

passed SlapOS.Eggs.UnitTest-Master.Python3

00:16:08

passed ERP5.CodingStyleTest-Master

passed ERP5.CodingStyleTest-Master

01:52:38

failed ERP5.CodingStyleTest-Master

00:54:37

passed ERP5.CodingStyleTest-Master

01:50:35

passed ERP5.CodingStyleTest-Master

01:19:35

passed ERP5.PerformanceTest-Master

00:26:06

passed ERP5.PerformanceTest-Master

00:26:11

failed ERP5.PerformanceTest-Master

00:27:16

passed ERP5.PerformanceTest-Master

00:26:12

failed ERP5.UnitTest-Master

03:46:50

failed ERP5.UnitTest-Master

02:04:11

failed ERP5.UnitTest-Master

failed ERP5.UnitTest-Master

01:14:54

failed ERP5.UnitTest-Master

02:00:29

passed SlapOS.Eggs.UnitTest-Master.Python2

00:17:47

passed SlapOS.Eggs.UnitTest-Master.Python2

00:12:20

passed SlapOS.Eggs.UnitTest-Master.Python2

00:14:05

passed SlapOS.Eggs.UnitTest-Master.Python2

00:16:04

passed SlapOS.Eggs.UnitTest-Master.Python2

00:16:39

passed SlapOS.Eggs.UnitTest-Master.Python2

00:15:05

passed SlapOS.Eggs.UnitTest-Master.Python3

00:15:59

passed SlapOS.Eggs.UnitTest-Master.Python3

00:14:40

passed SlapOS.Eggs.UnitTest-Master.Python3

00:15:07

passed SlapOS.Eggs.UnitTest-Master.Python3

00:16:50

passed SlapOS.Eggs.UnitTest-Master.Python3

00:18:07

passed SlapOS.Eggs.UnitTest-Master.Python3

00:19:08