test: slot_getsomeattrs
test: slot_getattr
test: slot_getallattrs
test: slot_attisnull

test: ExecClearTuple
test: heap_form_tuple
test: heap_deform_tuple
test: heap_copytuple
test: heap_modify_tuple
test: index_form_tuple

test: ExecStoreTuple
test: ExecFetchSlotTuple
test: ExecCopySlotTuple


test: hw_setop_writefile
test: heap_form_minimal_tuple
test: heap_free_minimal_tuple
test: heap_copy_minimal_tuple
