Disable rename-subframe-goback.html

virtual/stable/http/tests/navigation/rename-subframe-goback.html
times out on Linux.

TBR=lukasza@chromium.org

Bug: 855816
Change-Id: I56234dcc8c4adab0d2539a751467131fd2b8ceeb
Reviewed-on: https://chromium-review.googlesource.com/1113161
Commit-Queue: Darren Shen <shend@chromium.org>
Reviewed-by: Darren Shen <shend@chromium.org>
Cr-Commit-Position: refs/heads/master@{#569997}

third_party/WebKit/LayoutTests/TestExpectations

@@ -4730,3 +4730,4 @@ crbug.com/855055 [ Mac ] virtual/threaded/animations/interpolation/svg-stroke-da
 # Sheriff 2018-06-25
 crbug.com/855873 [ Mac Win7 ] fast/speech/scripted/start-multiple.html [ Pass Crash ]
 crbug.com/855860 [ Linux ] virtual/outofblink-cors/http/tests/fetch/serviceworker-proxied/thorough/redirect-password-base-https-other-https.html [ Pass Timeout ]
+crbug.com/ [ Win7 ] virtual/stable/http/tests/navigation/rename-subframe-goback.html [ Pass Timeout ]