Suppress failing CTS tests.

android_webview/tools/cts_config/expected_failure_on_bot.json

Index: android_webview/tools/cts_config/expected_failure_on_bot.json
diff --git a/android_webview/tools/cts_config/expected_failure_on_bot.json b/android_webview/tools/cts_config/expected_failure_on_bot.json
index 8c0178991890a567627fe2a96de82028c9ca53e6..d47947ccfb64de27a24cbe5920beb304b7a2cd94 100644
--- a/android_webview/tools/cts_config/expected_failure_on_bot.json
+++ b/android_webview/tools/cts_config/expected_failure_on_bot.json
@@ -1,6 +1,22 @@
 {
+  "android.webkit.cts.URLUtilTest": [
+    {
+      "name": "testGuessFileName",
+      "_bug_id": "crbug.com/659072"
+    }
+  ],
+  "android.webkit.cts.WebChromeClientTest": [
+    {
+      "name": "testOnJsBeforeUnload",
+      "_bug_id": "crbug.com/659072"
+    }
+  ],
   "android.webkit.cts.WebViewTest": [
     {
+      "name": "testFindNext",
+      "_bug_id": "crbug.com/618089"
+    },
+    {
       "name": "testPageScroll",
       "_bug_id": "crbug.com/534643"
     }