Debugger test updated to avoid setting breakpoints into random scripts.
Debugger test updated to avoid setting breakpoints into random scripts.

Review URL: https://codereview.chromium.org/1231893007

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#29668}

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh