[7.x] chore(NA): assure .ts extension is used on xpack functional tes…

…ts script (elastic#88685) (elastic#88722)

* chore(NA): assure .ts extension is used on xpack functional tests script

* chore(NA): fix wrong extension on test/upgrade_assistant_integration/config

x-pack/scripts/functional_tests.js

@@ -48,21 +48,21 @@ require('@kbn/test').runTestsCli([
   require.resolve('../test/security_api_integration/anonymous_es_anonymous.config.ts'),
   require.resolve('../test/observability_api_integration/basic/config.ts'),
   require.resolve('../test/observability_api_integration/trial/config.ts'),
-  require.resolve('../test/encrypted_saved_objects_api_integration/config'),
-  require.resolve('../test/spaces_api_integration/spaces_only/config'),
-  require.resolve('../test/spaces_api_integration/security_and_spaces/config_trial'),
-  require.resolve('../test/spaces_api_integration/security_and_spaces/config_basic'),
-  require.resolve('../test/saved_object_api_integration/security_and_spaces/config_trial'),
-  require.resolve('../test/saved_object_api_integration/security_and_spaces/config_basic'),
-  require.resolve('../test/saved_object_api_integration/security_only/config_trial'),
-  require.resolve('../test/saved_object_api_integration/security_only/config_basic'),
-  require.resolve('../test/saved_object_api_integration/spaces_only/config'),
-  require.resolve('../test/ui_capabilities/security_and_spaces/config'),
-  require.resolve('../test/ui_capabilities/security_only/config'),
-  require.resolve('../test/ui_capabilities/spaces_only/config'),
-  require.resolve('../test/upgrade_assistant_integration/config'),
-  require.resolve('../test/licensing_plugin/config'),
-  require.resolve('../test/licensing_plugin/config.public'),
+  require.resolve('../test/encrypted_saved_objects_api_integration/config.ts'),
+  require.resolve('../test/spaces_api_integration/spaces_only/config.ts'),
+  require.resolve('../test/spaces_api_integration/security_and_spaces/config_trial.ts'),
+  require.resolve('../test/spaces_api_integration/security_and_spaces/config_basic.ts'),
+  require.resolve('../test/saved_object_api_integration/security_and_spaces/config_trial.ts'),
+  require.resolve('../test/saved_object_api_integration/security_and_spaces/config_basic.ts'),
+  require.resolve('../test/saved_object_api_integration/security_only/config_trial.ts'),
+  require.resolve('../test/saved_object_api_integration/security_only/config_basic.ts'),
+  require.resolve('../test/saved_object_api_integration/spaces_only/config.ts'),
+  require.resolve('../test/ui_capabilities/security_and_spaces/config.ts'),
+  require.resolve('../test/ui_capabilities/security_only/config.ts'),
+  require.resolve('../test/ui_capabilities/spaces_only/config.ts'),
+  require.resolve('../test/upgrade_assistant_integration/config.js'),
+  require.resolve('../test/licensing_plugin/config.ts'),
+  require.resolve('../test/licensing_plugin/config.public.ts'),
   require.resolve('../test/endpoint_api_integration_no_ingest/config.ts'),
   require.resolve('../test/functional_embedded/config.ts'),
   require.resolve('../test/reporting_api_integration/reporting_and_security.config.ts'),