[DevTools] Disable tests to land cl

The cl in devtools-frontend: https://crrev.com/c/2514441

Bug: chromium:1138757
Change-Id: If6c14fd84e3650f143a968abe97fd6a38ed9e934
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2517680
Auto-Submit: Jan Scheffler <janscheffler@chromium.org>
Reviewed-by: Mathias Bynens <mathias@chromium.org>
Commit-Queue: Jan Scheffler <janscheffler@chromium.org>
Cr-Commit-Position: refs/heads/master@{#823929}

third_party/blink/web_tests/TestExpectations

@@ -111,6 +111,8 @@ crbug.com/762529 http/tests/devtools/network/network-datareceived.js [ Failure ]
 crbug.com/759632 http/tests/devtools/network/network-datasaver-warning.js [ Failure ]
 # ====== Browserside navigation until here ======
 
+crbug.com/1138757 http/tests/devtools/copy-network-request.js [ Pass Failure ]
+
 # ====== Paint team owned tests from here ======
 # The paint team tracks and triages its test failures, and keeping them colocated
 # makes tracking much easier.