import org.gradle.api.tasks.testing.TestOutputEvent;
import org.gradle.internal.id.IdGenerator;
import org.gradle.internal.time.Clock;

import java.util.LinkedHashSet;
import java.util.Set;

public class TestClassExecutionEventGenerator implements TestResultProcessor, TestClassExecutionListener {
    private final TestResultProcessor resultProcessor;
    private final IdGenerator<?> idGenerator;
    private final Clock clock;

    final TestResultProcessor target = Mock()
    final IdGenerator<Object> idGenerator = Mock()
    final Clock timeProvider = Mock()
    final TestClassExecutionEventGenerator processor = new TestClassExecutionEventGenerator(target, idGenerator, timeProvider)

    def "fires event on test class start"() {
        given:
        idGenerator.generateId() >> 1
        timeProvider.currentTime >> 1200

    protected TestResultProcessor createResultProcessorChain(TestResultProcessor resultProcessor) {
        TestResultProcessor resultProcessorChain = new AttachParentTestResultProcessor(resultProcessor);
        return new TestClassExecutionEventGenerator(resultProcessorChain, idGenerator, clock);
    }

    @Override
    protected Action<String> createTestExecutor(Actor resultProcessorActor) {

Class <org.gradle.api.internal.tasks.testing.junit.TestClassExecutionEventGenerator> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (TestClassExecutionEventGenerator.java:0)