8040089: Apply to call transform was incomplete. Now passes all tests and performance is back
Reviewed-by: hannesw, attila, sundar, jlaskey
SyntaxError: Invalid JSON: <json>:1:12 Trailing comma is not allowed in JSON
{ "a": 333, }
^
SyntaxError: Invalid JSON: <json>:1:8 Trailing comma is not allowed in JSON
[ 4343, ]
^