Disable flaky test LoginGuestTest.CursorShown.

chrome/browser/chromeos/login/login_browsertest.cc

Index: chrome/browser/chromeos/login/login_browsertest.cc
diff --git a/chrome/browser/chromeos/login/login_browsertest.cc b/chrome/browser/chromeos/login/login_browsertest.cc
index 139cdd82f09967456269cd8983aef1ac182f0431..8563c3c6dd1f732e156849bda67e9df87322601f 100644
--- a/chrome/browser/chromeos/login/login_browsertest.cc
+++ b/chrome/browser/chromeos/login/login_browsertest.cc
@@ -209,7 +209,8 @@ IN_PROC_BROWSER_TEST_F(LoginUserTest, UserPassed) {
 }
 
 // Verifies the cursor is not hidden at startup when user is logged in.
-IN_PROC_BROWSER_TEST_F(LoginUserTest, CursorShown) {
+// Test is flaky https://crbug.com/693106
+IN_PROC_BROWSER_TEST_F(LoginUserTest, DISABLED_CursorShown) {
   EXPECT_TRUE(ash::Shell::GetInstance()->cursor_manager()->IsCursorVisible());
 
   TestSystemTrayIsVisible();