}
        """
        file('src/test/java/EngineFailingDiscovery.java') << '''
            import org.junit.platform.engine.*;
            public class EngineFailingDiscovery implements TestEngine {
                @Override
                public String getId() {
                    return "EngineFailingDiscovery";
                }

                @Override

import org.junit.platform.engine.EngineDiscoveryRequest;
import org.junit.platform.engine.ExecutionRequest;
import org.junit.platform.engine.TestDescriptor;
import org.junit.platform.engine.TestEngine;
import org.junit.platform.engine.UniqueId;
import org.junit.platform.engine.discovery.ClassSelector;
import org.junit.platform.engine.discovery.DiscoverySelectors;
import org.junit.platform.engine.discovery.UniqueIdSelector;