I have recently added shapes star24 and star32 to the unit test, but
forgotten to update the comment in the test accordingly.

Change-Id: I712c652100cadedc06a0b16c8dd27dc078cdbbeb
Reviewed-on: https://gerrit.libreoffice.org/72954
Tested-by: Jenkins
Reviewed-by: Regina Henschel <rb.henschel@t-online.de>