cheets_GTS: Mark GtsSecurityTestCases as no-test module.

The test module does not contain any test (as of now).
We need to mark it as such, so that it won't cause errors.

BUG=b:149357963
TEST=cheets_GTS.GtsSecurityTestCases

Change-Id: I239f8c3446ac4e37d4b50aaf4d2856af4f2ae8d4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/autotest/+/2049940
Reviewed-by: Kazuhiro Inaba <kinaba@chromium.org>
Commit-Queue: Kazuhiro Inaba <kinaba@chromium.org>
Tested-by: Kazuhiro Inaba <kinaba@chromium.org>
Auto-Submit: Kazuhiro Inaba <kinaba@chromium.org>
diff --git a/server/site_tests/cheets_GTS/notest_modules/notest_modules.yaml b/server/site_tests/cheets_GTS/notest_modules/notest_modules.yaml
index e5e908f..002631c 100644
--- a/server/site_tests/cheets_GTS/notest_modules/notest_modules.yaml
+++ b/server/site_tests/cheets_GTS/notest_modules/notest_modules.yaml
@@ -24,6 +24,7 @@
 GtsSampleDeviceTestCases: [all]
 GtsSampleDynamicConfigTestCases: [all]
 GtsSampleHostTestCases: [all]
+GtsSecurityTestCases: [all]
 GtsSetupWizardNoPermissionTestCases: [all]
 GtsSmartBatteryDeviceTestCases: [all]
 GtsStagedInstallHostTestCases: [all]