fixed unit test for exercise list

4 jobs for 2.2.5 in 2 minutes and 46 seconds (queued for 7 seconds)
latest
Status Job ID Name Coverage
  Build
passed #25414
build

00:00:05

 
  Ci
passed #25416
ci_backend

00:00:27

passed #25415
ci_frontend

00:02:11

 
  Coverage
passed #25417
coverage

00:00:01

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