Add tests for Device dependent error information

Jan Breuer

2016-04-24 9b43058766282733ab8c2c290f4736e2d8bd5014

 libscpi/src/lexer.c

@@ -743,6 +743,8 @@
                    token->ptr = state->pos - arbitraryBlockLength;
                    token->len = arbitraryBlockLength;
                    validData = 1;
                } else {
                    validData = 0;
                }
            } else if (iseos(state)) {
                validData = 0;