cohort/tests/fixtures/uploadcohorts4.csv

   1 name,idnumber,description,category,visible,theme
   2 cohort name 1,cohortid1,first description,,,boost
   3 cohort name 2,cohortid2,,,,
   4 cohort name 3,cohortid3,,Category 1,no,boost
   5 cohort name 4,cohortid4,,CAT1,yes,classic
   6 cohort name 5,cohortid5,,CAT2,0,
   7 cohort name 6,cohortid6,,CAT3,1,classic