Work-in-progress list. Titles in bold have been confirmed by originaltrilogy.com members, others are from reports elsewhere on the web.
NTSC (USA)
Star Wars: A New Hope (FOX) - SMPTE color bars on Side D
Sony XBR Laser Disc: Audio/Visual In-Store Demonstration [---]
Telling Lies in America (1997) has color bars
Halloween (Criterion Edition) has color bars
Visions of Light: The Art of Cinematography contains a speaker test and then color bars with tone after the film.
State Fair - Home theatre sound check + color bars at last chapter
Desk Set - Color bars and test tone at last chapter
Casablanca (Criterion) - Color bars at last chapter
Breaking the Waves - color bars
Rome, Open City - Chapters 41 & 42 are laserdisc production credit and Color Bars
Pioneer Reference Laserdisc [HE-010]
Pioneer Reference Laserdisc [GGV1069]
NTSC (Japan)
PAL (Europe)
Jason and the Argonauts - end of side 4: colour bars, pluge, grille, red patch colour bars & test card (BBC Test Card G)
DIE Video CD - CD Video, but is compatible with laserdisc players
Pioneer Reference Laserdisc [GGV1007]
Please let me know of any others you find.