This website currently reflects Forth-2012, and AFAIK the tests come from the Forth-2012 document (which took them out of the test suite around 2012). When we release the next standard, the document and the tests in there will be updated (hopefully in some automated way). And maybe we will do the tests on this website directly from the test suite at some point. In any case, if you want to use up-to-date tests, go to [the source](https://github.com/gerryjackson/forth2012-test-suite).
