I'm sure this question had been asked before though I can't find it by searching the forum. If my memory serves me correctly it was composed by George Yohng, 4front-tech's composer in residence. Don't know if it has a title but yes it also reminds me of "Kiss from a Rose" though I think the similarity is just co-incidental.
I too had been thinking which file is it exactly that is played when OSS test is run. However, one thing I do remember is that it was composed by George Yohng and could very well be a reason why it resembles the ‘Kiss from a Rose’ as you have stated.