erp5_base: Update comment

  Since the test() method was fixed the comment became irrelevant
4 jobs for for_testrunner_3 in 0 seconds
Status Job ID Name Coverage
  External
passed ERP5.CodingStyleTest-TestRunner3

02:25:59

failed ERP5.UnitTest-TestRunner3

03:35:48

passed ERP5.CodingStyleTest-TestRunner3

01:24:02

failed ERP5.UnitTest-TestRunner3

02:02:31