Disable failing tests for Site Isolation FYI builders

testing/buildbot/chromium.fyi.json

Index: testing/buildbot/chromium.fyi.json
diff --git a/testing/buildbot/chromium.fyi.json b/testing/buildbot/chromium.fyi.json
index e39e4f25527da6655d47b6b3418489313074f128..0483e29f8b6f21c8fea134b2e20a7c727333a875 100644
--- a/testing/buildbot/chromium.fyi.json
+++ b/testing/buildbot/chromium.fyi.json
@@ -282,13 +282,13 @@
   "Site Isolation Linux": {
     "gtest_tests": [
       { "test": "content_unittests", "args": ["--site-per-process"] },
-      { "test": "content_browsertests", "args": ["--site-per-process"] }
+      { "test": "content_browsertests", "args": ["--site-per-process --gtest_filter=-RenderFrameHostManagerTest.AllowTargetedNavigationsAfterSwap:-RenderFrameHostManagerTest.SupportCrossProcessPostMessage:-SiteIsolationPolicyBrowserTest.CrossSiteDocumentBlockingForDifferentTargets:-RenderFrameHostManagerTest.DontSwapProcessWithOnlyTargetBlank:-RenderFrameHostManagerTest.DisownOpener:-FrameTreeBrowserTest.NavigateWithLeftoverFrames:-RenderFrameHostManagerTest.DontPreemptNavigationWithFrameTreeUpdate:-RenderFrameHostManagerTest.ProcessExitWithSwappedOutViews:-RenderFrameHostManagerTest.SupportCrossProcessPostMessageWithMessagePort:-RenderFrameHostManagerTest.AllowTargetedNavigationsInOpenerAfterSwap"] }
     ]
   },
   "Site Isolation Win": {
     "gtest_tests": [
       { "test": "content_unittests", "args": ["--site-per-process"] },
-      { "test": "content_browsertests", "args": ["--site-per-process"] }
+      { "test": "content_browsertests", "args": ["--site-per-process --gtest_filter=-RenderFrameHostManagerTest.AllowTargetedNavigationsAfterSwap:-RenderFrameHostManagerTest.SupportCrossProcessPostMessage:-SiteIsolationPolicyBrowserTest.CrossSiteDocumentBlockingForDifferentTargets:-RenderFrameHostManagerTest.DontSwapProcessWithOnlyTargetBlank:-RenderFrameHostManagerTest.DisownOpener:-FrameTreeBrowserTest.NavigateWithLeftoverFrames:-RenderFrameHostManagerTest.DontPreemptNavigationWithFrameTreeUpdate:-RenderFrameHostManagerTest.ProcessExitWithSwappedOutViews:-RenderFrameHostManagerTest.SupportCrossProcessPostMessageWithMessagePort:-RenderFrameHostManagerTest.AllowTargetedNavigationsInOpenerAfterSwap"] }
     ]
   }
 }