test: fix test-debugger-repl-term

test-debugger-repl-term had incorrect expected output and so was
failing. It was likely dependent on previous bugs in the debugger.
The fixture file has been modified so that the output is as expected.

PR-URL: https://github.com/nodejs/node/pull/6682


Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
Reviewed-By: Ben Noorhduis <info@bnoordhuis.nl>