Disable flaky tests: AutoEnrollmentClientTest and CacheNotStarted

chrome/browser/chromeos/extensions/device_local_account_external_policy_loader_unittest.cc

Index: chrome/browser/chromeos/extensions/device_local_account_external_policy_loader_unittest.cc
diff --git a/chrome/browser/chromeos/extensions/device_local_account_external_policy_loader_unittest.cc b/chrome/browser/chromeos/extensions/device_local_account_external_policy_loader_unittest.cc
index bd206a95e36fe31d2247fe52d500a5c5afd0cbf5..f0537dbf9d835f50e36173011cc10f6199948fa1 100644
--- a/chrome/browser/chromeos/extensions/device_local_account_external_policy_loader_unittest.cc
+++ b/chrome/browser/chromeos/extensions/device_local_account_external_policy_loader_unittest.cc
@@ -178,10 +178,17 @@ void DeviceLocalAccountExternalPolicyLoaderTest::SetForceInstallListPolicy() {
   store_.NotifyStoreLoaded();
 }
 
+#if defined(OS_CHROMEOS)
+// crbug.com/422884
+#define MAYBE_CacheNotStarted DISABLED_CacheNotStarted
+#else
+#define MAYBE_CacheNotStarted CacheNotStarted
+#endif
+
 // Verifies that when the cache is not explicitly started, the loader does not
 // serve any extensions, even if the force-install list policy is set or a load
 // is manually requested.
-TEST_F(DeviceLocalAccountExternalPolicyLoaderTest, CacheNotStarted) {
+TEST_F(DeviceLocalAccountExternalPolicyLoaderTest, MAYBE_CacheNotStarted) {
   // Set the force-install list policy.
   SetForceInstallListPolicy();