Disable empty FTR configs (elastic#240433)

## Summary

Disable empty FTR configs.

Author: maryam-saeidi

.buildkite/ftr_oblt_serverless_configs.yml

@@ -11,11 +11,13 @@ disabled:
   # Observability AI Assistant local-only tests
   - x-pack/solutions/observability/test/api_integration_deployment_agnostic/configs/serverless/oblt.ai_assistant_local.serverless.config.ts
 
+  # Empty configs
+  - x-pack/solutions/observability/test/serverless/api_integration/configs/config.feature_flags.ts
+
 defaultQueue: 'n2-4-spot'
 enabled:
   - x-pack/solutions/observability/test/serverless/api_integration/configs/config.ts
   - x-pack/solutions/observability/test/serverless/api_integration/configs/config.logs_essentials.ts
-  - x-pack/solutions/observability/test/serverless/api_integration/configs/config.feature_flags.ts
   - x-pack/platform/test/serverless/api_integration/configs/observability/config.group1.ts
   - x-pack/platform/test/serverless/api_integration/configs/observability/config.logs_essentials.group1.ts
   - x-pack/solutions/observability/test/serverless/api_integration/test_suites/fleet/config.ts

.buildkite/ftr_security_serverless_configs.yml

@@ -27,16 +27,18 @@ disabled:
   - x-pack/solutions/security/test/security_solution_api_integration/test_suites/detections_response/rules_management/configs/serverless/rules_management.essentials.config.ts
   - x-pack/solutions/security/test/security_solution_api_integration/test_suites/detections_response/rules_management/configs/serverless/rules_management.complete.config.ts
 
+  # Empty configs
+  - x-pack/solutions/security/test/serverless/api_integration/configs/config.feature_flags.ts
+  - x-pack/solutions/security/test/serverless/functional/configs/config.feature_flags.ts
+
 defaultQueue: 'n2-4-spot'
 enabled:
   - x-pack/solutions/security/test/serverless/api_integration/configs/config.ts
-  - x-pack/solutions/security/test/serverless/api_integration/configs/config.feature_flags.ts
   - x-pack/platform/test/serverless/api_integration/configs/security/config.group1.ts
   - x-pack/solutions/security/test/serverless/api_integration/test_suites/fleet/config.ts
   - x-pack/solutions/security/test/serverless/functional/configs/config.screenshots.ts
   - x-pack/solutions/security/test/serverless/functional/configs/config.ts
   - x-pack/platform/test/serverless/functional/configs/security/config.examples.ts
-  - x-pack/solutions/security/test/serverless/functional/configs/config.feature_flags.ts
   - x-pack/solutions/security/test/serverless/functional/configs/config.cloud_security_posture.basic.ts
   - x-pack/solutions/security/test/serverless/functional/configs/config.cloud_security_posture.essentials.ts
   - x-pack/solutions/security/test/serverless/functional/configs/config.cloud_security_posture.agentless.ts

.buildkite/ftr_workplace_ai_serverless_configs.yml

@@ -2,12 +2,14 @@ disabled:
   # Base config files, only necessary to inform config finding script
   - x-pack/platform/test/serverless/functional/config.workplace_ai.base.ts
 
+  # Empty configs
+  - x-pack/solutions/workplace_ai/test/serverless/functional/configs/config.feature_flags.ts
+  - x-pack/solutions/workplace_ai/test/serverless/api_integration/configs/config.feature_flags.ts
+
 defaultQueue: 'n2-4-spot'
 enabled:
   - x-pack/solutions/workplace_ai/test/serverless/api_integration/configs/config.ts
-  - x-pack/solutions/workplace_ai/test/serverless/api_integration/configs/config.feature_flags.ts
   - x-pack/platform/test/serverless/api_integration/configs/workplace_ai/config.group1.ts
   - x-pack/solutions/workplace_ai/test/serverless/functional/configs/config.ts
-  - x-pack/solutions/workplace_ai/test/serverless/functional/configs/config.feature_flags.ts
   - x-pack/platform/test/serverless/functional/configs/workplace_ai/config.config_compat_mode.ts
   - x-pack/platform/test/serverless/functional/configs/workplace_ai/config.group1.ts

x-pack/solutions/observability/test/serverless/api_integration/configs/index.feature_flags.ts

@@ -8,5 +8,7 @@
 import type { FtrProviderContext } from '../ftr_provider_context';
 
 export default function ({ loadTestFile }: FtrProviderContext) {
+  // Config is disabled due to empty test suite
+  // Please enable the related config in .buildkite/ftr_oblt_serverless_configs.yml after adding tests here
   describe('Serverless observability API - feature flags', function () {});
 }

x-pack/solutions/security/test/serverless/api_integration/configs/index.feature_flags.ts

@@ -8,5 +8,7 @@
 import type { FtrProviderContext } from '../ftr_provider_context';
 
 export default function ({ loadTestFile }: FtrProviderContext) {
+  // Config is disabled due to empty test suite
+  // Please enable the related config in .buildkite/ftr_security_serverless_configs.yml after adding tests here
   describe('Serverless security API - feature flags', function () {});
 }

x-pack/solutions/security/test/serverless/functional/configs/index.feature_flags.ts

@@ -8,6 +8,8 @@
 import type { FtrProviderContext } from '../ftr_provider_context';
 
 export default function ({ loadTestFile }: FtrProviderContext) {
+  // Config is disabled due to empty test suite
+  // Please enable the related config in .buildkite/ftr_security_serverless_configs.yml after adding tests here
   describe('serverless security UI - feature flags', function () {
     // add tests that require feature flags, defined in config.feature_flags.ts
   });

x-pack/solutions/workplace_ai/test/serverless/api_integration/configs/index.feature_flags.ts

@@ -8,6 +8,8 @@
 import type { FtrProviderContext } from '../ftr_provider_context';
 
 export default function ({ loadTestFile }: FtrProviderContext) {
+  // Config is disabled due to empty test suite
+  // Please enable the related config in .buildkite/ftr_workplace_ai_serverless_configs.yml after adding tests here
   describe('Serverless Workplace AI API - feature flags', function () {
     // loadTestFile(require.resolve('./path/to/tests'));
   });

x-pack/solutions/workplace_ai/test/serverless/functional/configs/index.feature_flags.ts

@@ -8,6 +8,8 @@
 import type { FtrProviderContext } from '../ftr_provider_context';
 
 export default function ({ loadTestFile }: FtrProviderContext) {
+  // Config is disabled due to empty test suite
+  // Please enable the related config in .buildkite/ftr_workplace_ai_serverless_configs.yml after adding tests here
   describe('serverless Workplace AI UI - feature flags', function () {
     // add tests that require feature flags, defined in config.feature_flags.ts
     // loadTestFile(require.resolve('./path/to/tests'));