monaco_editor: fixup broken commit

3d3ee5da had syntax error and test were
not updated for new behavior
3 jobs for fix/broken_tests_from_1011 in 0 seconds
Status Job ID Name Coverage
  External
passed ERP5.CodingStyleTest-TestRunner1

00:39:39

passed ERP5.PerformanceTest-TestRunner1

00:32:22

passed ERP5.UnitTest-TestRunner1

01:21:55