#3 Add example where all are filtered during standardisation

Zlúčené

HenryCrosswell mergnuté 3 commitov z neuroinformatics/km/frontend-tests do neuroinformatics/master 3 týždňov pred

Autor	SHA1 Správa	Dátum
Kimberly Meechan	1a2b747e96 add offspring sex column	3 týždňov pred
Kimberly Meechan	c65420a9cf Merge branch 'master' of https://gin.swc.ucl.ac.uk/neuroinformatics/oscar-test-data into km/frontend-tests	3 týždňov pred
Kimberly Meechan	f0abadd779 add csv file where all rows are forbidden	3 týždňov pred