I am using command blocks to make a "magic button", with the TESTFORBLOCK command.  It worked last week but not anymore.

I TESTFORBLOCK for a block with a button on it, and data value of 12 to see if it is PRESSED or not PRESSED, to trigger a comparator then another block.   Beta recognizes the block at the x y z, but no longer recognizes the data value of the BUTTON on the block.