StyledTextOutputBackedRenderer renderer = new StyledTextOutputBackedRenderer(output)
        RenderableOutputEvent event1 = new StyledTextOutputEvent(tenAm, 'category', LogLevel.INFO, null, 'message')
        RenderableOutputEvent event2 = new StyledTextOutputEvent(tenAm, 'category2', LogLevel.INFO, null, 'message2')

        when:
        renderer.onOutput(new LogLevelChangeEvent(LogLevel.DEBUG))
        renderer.onOutput(event1)

                    testMethod('noCatOk4').shouldPass()
                }
            testCategory('CategoryA')
            testCategory('CategoryB').extendsCategory('CategoryA')
            testCategory('CategoryC')
            testCategory('CategoryD').extendsCategory('CategoryC')
            testCategory('CategoryZ')
        }
        testSourceGenerator.writeAllSources(testSources)

        buildFile << """

        }

        /**
         * Add a JUnit4 category class to the sources.  Note that these are not used by JUnit5 test generators.
         */
        Category testCategory(String name, String sourceSet = 'test') {
            Category category = new Category(name, sourceSet)
            categories << category
            return category
        }

        /**

 *
 * @since 5.3
 */
@UsedByScanPlugin
public interface Category extends Named {

    Attribute<Category> CATEGORY_ATTRIBUTE = Attribute.of("org.gradle.category", Category.class);

    /**
     * The library category
     */
    String LIBRARY = "library";

    /**
     * The platform category
     */
    String REGULAR_PLATFORM = "platform";

    /**

package org.gradle.junit;

public interface CategoryA{

package org.gradle.junit;

public interface CategoryB{

package org.gradle.junit;

public interface CategoryB{

                testClass('SomeTestClass', sourceSet).with {
                    testMethod('ok1').withCategoryOrTag('CategoryA')
                    testMethod('ok2').withCategoryOrTag('CategoryB')
                }
                testCategory('CategoryA', sourceSet)
                testCategory('CategoryB', sourceSet)
            }
        }
        testSourceGenerator.writeAllSources(testSources)
        buildFile << """

package org.gradle.junit;

public interface CategoryA{

package org.gradle.junit;

import org.junit.Test;
import org.junit.experimental.categories.Category;

public class CategorizedJUnitTest {

    @Category(CategoryA.class)
    @Test
    public void a() {
        System.out.println("hello from CategorizedTest a.");
    }

    @Category(CategoryB.class)
    @Test
    public void b() {
        System.out.println("hello from CategorizedTest b.");
    }