TestFx TableViewMatchers.containsRowAtIndex: does not test "live" cell?

TableCellLiveTest

import java.util.function.Supplier;

import org.junit.Test;
import org.testfx.framework.junit.ApplicationTest;
import org.testfx.matcher.control.TableViewMatchersTest.Person;
import org.testfx.util.WaitForAsyncUtils;

import static org.junit.Assert.*;
import static org.testfx.api.FxAssert.*;
import static org.testfx.matcher.control.TableViewMatchers.*;
import static org.testfx.util.DebugUtils.*;

import javafx.application.Platform;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.TableCell;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;
//import utils.Person;

/**
 * Quick check of assumption: live state of cells not tested
 * 
 * @author Jeanette Winzenburg, Berlin
 */
public class TableCellLiveTest extends ApplicationTest {

    public static final String PREFIX = "winner! " ;
    public static final Supplier<ObservableList<Person>> ITEM_SUPPLIER = () -> {
        ObservableList<Person> persons = FXCollections.observableArrayList(
                new Person("A-Name", 12), new Person("Dummy", 13));
        return persons;
    };
    
    @Test
    public void testTableCellUpdate() {
        TableView<Person> tableView = lookup(".table-view").query();
        int index = 0; 
        Person person = tableView.getItems().get(index);
        // sanity
        verifyThat(tableView, containsRowAtIndex(index, person.nameProperty().get()));
        String replacedFirst = PREFIX + person.nameProperty().get();
            
        Platform.runLater(() -> {
            tableView.getSelectionModel().select(index);
        });
        WaitForAsyncUtils.waitForFxEvents();
        
        assertEquals("sanity: ", index, tableView.getSelectionModel().getSelectedIndex());
        // update
        verifyThat(tableView, containsRowAtIndex(index, replacedFirst), saveScreenshot());
    }
    
    @Override
    public void start(Stage stage) {
        Parent sceneRoot = new TablePane();
        Scene scene = new Scene(sceneRoot, 100, 100);
        stage.setScene(scene);
        stage.show();
    }


    static int count;
    public static class TablePane extends StackPane {
        public TableView<Person> table;
        public TablePane() {
            super();
            table = new TableView<>(ITEM_SUPPLIER.get());
            // need cell selection node to get update of cell's selected state
            table.getSelectionModel().setCellSelectionEnabled(true);
            table.getColumns().addAll(
                    createTableColumn("name")
                    );
            getChildren().add(table);
        }
        
        private TableColumn<Person, String> createTableColumn(String property) {
            TableColumn<Person, String> column = new TableColumn<>(property + count++);
            column.setCellValueFactory(new PropertyValueFactory<>(property));
            column.setCellFactory(cc -> {
                // custom cell with text depending on selection state
                TableCell<Person, String> cell = new TableCell<>() {

                    @Override
                    protected void updateItem(String item, boolean empty) {
                        super.updateItem(item, empty);
                        if (item == null || empty) {
                            setText("");
                        } else {
                            if (isSelected()) {
                                item = PREFIX + item;
                            }
                            setText(item);
                        }
                    }

                    /**
                     * Hack around https://bugs.openjdk.java.net/browse/JDK-8145588
                     * variant for TableCell
                     * @param selected
                     */
                    @Override
                    public void updateSelected(boolean selected) {
                        super.updateSelected(selected);
                        updateItem(getItem(), isEmpty());
                    }
                    
                };
                return cell;
            });
            return column;
        }
    }
}