[ES6 Modules] Fix test expectations for Issue 763597

As both of Blink-side and v8-side changes have landed:
- Blink: https://chromium-review.googlesource.com/698467
- V8: https://chromium-review.googlesource.com/763369
  (Auto-roll: https://chromium-review.googlesource.com/845221)

This CL re-enables the tests that were disabled for
the transitioning.

Bug: 763597, v8:1569
Change-Id: I27a407bac3ab8f60100ded0b7f842f9bf648620d
Reviewed-on: https://chromium-review.googlesource.com/843011
Reviewed-by: Kouhei Ueno <kouhei@chromium.org>
Commit-Queue: Hiroshige Hayashizaki <hiroshige@chromium.org>
Cr-Commit-Position: refs/heads/master@{#526440}
2 files changed