If role is provided in Component.getchild, then get role matching from child under current object
If role is provided in Component.getchild, then get role matching from child under current object

ldtp/ldtp2,freedesktop-unofficial-mirror/ldtp__ldtp2,freedesktop-unofficial-mirror/ldtp__ldtp2,ldtp/ldtp2,ldtp/ldtp2,ldtp/ldtp2,freedesktop-unofficial-mirror/ldtp__ldtp2,MichalPokorny/ldtp2,ldtp/ldtp2,freedesktop-unofficial-mirror/ldtp__ldtp2,MichalPokorny/ldtp2,freedesktop-unofficial-mirror/ldtp__ldtp2,MichalPokorny/ldtp2,MichalPokorny/ldtp2,MichalPokorny/ldtp2