[test][md] Use new error helper in convergence test

7 jobs for !2822 with fix/test-stokes-darcy-l2error in 4 minutes and 33 seconds (queued for 3 seconds)
Child pipeline (parent) latest detached
Status Name Job ID Coverage
  Configure
passed configure #36468

00:00:48

 
  Linting
passed black (python) #36471

00:00:48

passed pylint-flake8 (python) #36473

00:00:50

 
  Select
passed select tests #36478

00:01:37

 
  Build
passed compile cpp #36480

00:01:12

 
  Test
passed test cpp #36483

00:00:54

passed test python #36486

00:00:22