revert changes in tests

Author: Владимир Чиж

IntegrationTests/scripts/fromhex1byte.json renamed to IntegrationTests/scripts/fromhex.json

@@ -538,6 +538,19 @@
   },
   "todo": [
     {
+      "replace":
+      {
+"LF":"empty",
+"CR":"empty",
+"tab":"empty",
+"whitespace":"empty",
+"a":"A",
+"b":"B",
+"c":"C",
+"d":"D",
+"e":"E",
+"f":"F"
+      },
       "replace": {
 "t0":"0",
 "t1":"1",