Tests 1a
editFully complete checklist, all criteria passing -> autopromote from C to B
Tests 1b
editFully complete checklist, all criteria passing -> B grade upheld
Tests 2a
editIncomplete or partially complete checklist -> C-class upheld
Tests 2b
editIncomplete or partially complete checklist, grade B entered -> defer to input grade
Tests 2c
editIncomplete or partially complete checklist, some criteria marked failed -> autodemote from B to C
Tests 3a
editFully complete checklist, not all criteria passing -> C class upheld
Tests 3b
editFully complete checklist, not all criteria passing -> autodemote from B to C class
Tests 4
editOther grade entered -> ignore checklist and give input grade
Test 5
editInvalid input -> treat as unchecked and defer to input
Test 6
editOne criterion is marked not applicable. Treat it as passed and output B-class.
Test 7
editChecklist not in use, use input grade.