Skip flaky test on nexus

Bug: 329673199
Change-Id: I228597a8021fd6a6cde2621e18fa574a86106bef

shodan_boot.robot

diff --git a/shodan_boot.robot b/shodan_boot.robot
index 1290126..1633b2a 100644
--- a/shodan_boot.robot
+++ b/shodan_boot.robot
@@ -60,7 +60,9 @@
     Wait For Line On Uart       Goodbye, cruel world
     Uninstall App               panic
 
+# TODO b/329673199 test is flaky on nexus platform
 Test SDK + TimerService (oneshot & periodic)
+    Skip if                     "${PLATFORM}" == "nexus"
     Requires                    shodan-bootup
     Install App                 timer
     Wait For Line On Uart       sdk_timer_cancel returned Err(SDKInvalidTimer) with nothing running