Update by @unknown:
Honeycomb Blocks have incorrect block placement sounds.
Observed Results:
Honeycomb blocks have the same sounds as stone.
Expected Results:
Honeycomb blocks should have the same sounds as coral blocks, which haven't been implemented at all.
Original description:
Honeycomb blocks have the same placing, breaking, and walking sounds as honey blocks
Note: in java edition, it uses the same sound as coral blocks.