tests: fix test_lima_simulator::test_edit_rois, to follow latest changes

Also simplify test_standard::test_edit_rois, since it can rely on the
lima.edit_rois test
8 jobs for !4114 with fix-live-edit-rois in 92 minutes and 5 seconds (queued for 5 seconds)
latest detached
Status Name Job ID Coverage
  Style
passed check_lint #267231

00:01:38

100.0%
passed check_style #267230

00:01:24

100.0%
 
  Tests
passed test_bliss #267232

01:30:27

100.0%
manual test_bliss_windows #267235
conda win allowed to fail manual
passed test_qt #267233

00:06:52

failed test_writer #267234

00:37:45

 
  Build
passed create_reference_doc #267236

00:05:57

passed create_user_doc #267237

00:04:55

 
Name Stage Failure
failed
test_writer Tests
FAILED tests/nexus_writer/test_nxw_timescan.py::test_nxw_timescan_base - Runt...
FAILED tests/nexus_writer/test_nxw_timescan.py::test_nxw_timescan_base_nopolicy
FAILED tests/nexus_writer/test_scan_utils.py::test_scan_utils[nexus-True] - R...
FAILED tests/nexus_writer/test_scan_utils.py::test_scan_utils_nopolicy[nexus-True]
FAILED tests/nexus_writer/test_scan_utils.py::test_scan_utils_base[nexus-True]
FAILED tests/nexus_writer/test_scan_utils.py::test_scan_utils_base_nopolicy[nexus-True]
= 9 failed, 127 passed, 2 skipped, 2195 deselected, 2 warnings in 1985.80s (0:33:05) =
Cleaning up file based variables
ERROR: Job failed: exit code 1