Mark KioskTest.LaunchAppNetworkDownConfigureNotAllowed failure on Chrome OS

chrome/browser/chromeos/login/kiosk_browsertest.cc

Index: chrome/browser/chromeos/login/kiosk_browsertest.cc
diff --git a/chrome/browser/chromeos/login/kiosk_browsertest.cc b/chrome/browser/chromeos/login/kiosk_browsertest.cc
index 70407517cc6750316c921aa5fc7faeac1b83f537..3d08841374ed51e73d0cf95090251bc84887676e 100644
--- a/chrome/browser/chromeos/login/kiosk_browsertest.cc
+++ b/chrome/browser/chromeos/login/kiosk_browsertest.cc
@@ -988,7 +988,15 @@ IN_PROC_BROWSER_TEST_F(KioskTest, LaunchAppWithNetworkConfigAccelerator) {
   WaitForAppLaunchSuccess();
 }
 
-IN_PROC_BROWSER_TEST_F(KioskTest, LaunchAppNetworkDownConfigureNotAllowed) {
+#if defined(OS_CHROMEOS)
+#define MAYBE_LaunchAppNetworkDownConfigureNotAllowed \
+  DISABLED_LaunchAppNetworkDownConfigureNotAllowed
+#else
+#define MAYBE_LaunchAppNetworkDownConfigureNotAllowed \
+  LaunchAppNetworkDownConfigureNotAllowed
+#endif
+IN_PROC_BROWSER_TEST_F(KioskTest,
+                       MAYBE_LaunchAppNetworkDownConfigureNotAllowed) {
   // Mock network could not be configured.
   ScopedCanConfigureNetwork can_configure_network(false, true);