nits

Author: Pranjali-2501

internal/xds/balancer/clusterimpl/tests/balancer_test.go

@@ -1282,7 +1282,7 @@ func (s) TestFailedToParseChildPolicyConfig(t *testing.T) {
 	internal.BalancerUnregister(pfBuilder.Name())
 	const parseConfigError = "failed to parse config"
 	stub.Register(pfBuilder.Name(), stub.BalancerFuncs{
-		ParseConfig: func(lbCfg json.RawMessage) (serviceconfig.LoadBalancingConfig, error) {
+		ParseConfig: func(json.RawMessage) (serviceconfig.LoadBalancingConfig, error) {
 			return nil, errors.New(parseConfigError)
 		},
 	})