Revert "test.c: Fix buffer overrun found by coverity"
Revert "test.c: Fix buffer overrun found by coverity"

This reverts commit c866abd84259acacf79524921a0ca6634fd71ddd.

The length of this buffer was intentional. This looks like a false
positive.

FSMaxB/cJSON,DaveGamble/cJSON,gatzka/cJSON,DaveGamble/cJSON,FSMaxB/cJSON,DaveGamble/cJSON,gatzka/cJSON,gatzka/cJSON,gatzka/cJSON,DaveGamble/cJSON,FSMaxB/cJSON,FSMaxB/cJSON,gatzka/cJSON,FSMaxB/cJSON