Fix 'test config id exists in ConfigCollector when using StableConfigSource'

Author: mtoffl01

internal-api/src/test/groovy/datadog/trace/bootstrap/config/provider/StableConfigSourceTest.groovy

@@ -280,7 +280,7 @@ apm_configuration_default:
 
     then:
     def collectedConfigs = ConfigCollector.get().collect()
-    def serviceSetting = collectedConfigs.get("SERVICE")
+    def serviceSetting = collectedConfigs.get(ConfigOrigin.LOCAL_STABLE_CONFIG).("SERVICE")
     serviceSetting.configId == expectedConfigId
     serviceSetting.value == "test-service"
     serviceSetting.origin == ConfigOrigin.LOCAL_STABLE_CONFIG