DevTools: Update runtime-console-basic-functions.js test

This test was flaky on slower builders/try machines because of
unnecessary validations we were doing in the test.

Rather than test a large number of uninteresting negative cases,
this change ensures that all expected log functions execute in
the page context.

Bug: 976157
Change-Id: Idf240e65e920a31d5b6b1663389262763cf0717d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1668232
Commit-Queue: Jeff Fisher <jeffish@microsoft.com>
Reviewed-by: Erik Luo <luoe@chromium.org>
Cr-Commit-Position: refs/heads/master@{#671041}
2 files changed