[test] Skip failing test due to --turbo-inlining.

TBR=jarin@chromium.org
BUG=v8:4493
LOG=n
NOTRY=true

Review URL: https://codereview.chromium.org/1417583003

Cr-Commit-Position: refs/heads/master@{#31408}

test/benchmarks/benchmarks.status

@@ -32,11 +32,10 @@
   # TODO(turbofan): Too slow in debug mode for now.
   'octane/pdfjs': [PASS, ['mode == debug', SKIP]],
 
-  # TODO(turbofan): Fails in register allocator verifier. Needs investigation.
-  'octane/typescript': [PASS, NO_VARIANTS],
-
   # Slow tests.
   'kraken/imaging-gaussian-blur': [PASS, SLOW],
-  'octane/typescript': [PASS, SLOW],
+  # TODO(turbofan): Fails in register allocator verifier. Needs investigation.
+  # Note: Keep SLOW modifier when removing NO_VARIANTS.
+  'octane/typescript': [PASS, SLOW, NO_VARIANTS],
 }],  # ALWAYS
 ]