[plotters][tests] Fix text error check

The "on this account" part has been removed
to make the serializer more generic.
1 job for implement_db_v2 in 16 minutes and 14 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
failed #222385
docker-build
build_linux_36

00:16:14

54.0%
 
Name Stage Failure
failed
build_linux_36 Build
TOTAL                                                                     13238   6098    54%
----------------------------------------------------------------------
Ran 218 tests in 102.101s

FAILED (SKIP=14, errors=2)
Coverage.py warning: Module beat.cmdline was previously imported, but not measured (module-not-measured)
Coverage.py warning: No data was collected. (no-data-collected)
Cleaning up file based variables
ERROR: Job failed: exit status 1