Fixed+-- Check that data has at least all fields as an ethalon.
1. Typo here and in other places: ethalon -> etalon.
Added, however, the comment is bigger than the function...
2. Please, describe the function in doxygen style since
it is not a trival one-liner.
Ok. Sorry. It is a very old commit.+...
+err:match('Error injection:.*')
3. P l e a s e. Again. Do not use pcall + match. Use
util.check_error.