Disable SignedExchangeRequestHandlerRealCertVerifierBrowserTest.Basic

TBR=horo@chromium.org,kinuko@chromium.org

Bug: 999419
No-Try: true
Change-Id: I6e297e706ccd6a27102d51d12f989fd682b52a91
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1775657Reviewed-by: Kunihiko Sakamoto <ksakamoto@chromium.org>
Commit-Queue: Kunihiko Sakamoto <ksakamoto@chromium.org>
Cr-Commit-Position: refs/heads/master@{#691928}

content/browser/web_package/signed_exchange_request_handler_browsertest.cc

@@ -724,8 +724,9 @@ class SignedExchangeRequestHandlerRealCertVerifierBrowserTest
   }
 };
 
+// The test cert has expired. crbug.com/999419
 IN_PROC_BROWSER_TEST_F(SignedExchangeRequestHandlerRealCertVerifierBrowserTest,
-                       Basic) {
+                       DISABLED_Basic) {
   InstallMockCertChainInterceptor();
   InstallUrlInterceptor(GURL("https://test.example.org/test/"),
                         "content/test/data/sxg/fallback.html");