[test] Reenable test for "future" that no longer fails.

R=machenbach@chromium.org
BUG=v8:7106

Change-Id: I4064368a3452cc9b6b0ce219e67a9825b1092926
Reviewed-on: https://chromium-review.googlesource.com/785391Reviewed-by: Hannes Payer <hpayer@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49574}

test/mjsunit/mjsunit.status

@@ -647,12 +647,6 @@
   'wasm/atomics': [SKIP],
 }],  # 'arch == ppc64 or arch == ppc or arch == s390 or arch == s390x'
 
-##############################################################################
-['variant == future', {
-  # BUG(v8:7106).
-  'regress/typed-array-lifetime': [SKIP],
-}],  # variant == future
-
 ##############################################################################
 ['variant == stress', {
   'es6/array-iterator-turbo': [SKIP],