[机] accelerated test for color stability

jiā sù yán sè wěn dìng shì yàn ㄐㄧㄚ ㄙㄨˋ ㄧㄢˊ ㄙㄜˋ ㄨㄣˇ ㄉㄧㄥˋ ㄕˋ ㄧㄢˋ