private final Map<Object, TestDescriptorInternal> activeDescriptorsById = new HashMap<>();

    /**
     * gradle structures tests in a tree structure with the test task itself
     * being the root element. This is required to be tracked here to get the
     * structure right when rerunning a test task tests.
     * */
    private TestDescriptorInternal rootTestDescriptor;

        processor.reset()
        processor.completed("testId", testCompleteEvent)
        then:
        0 * delegate.completed("testId", testCompleteEvent)
    }

    TestDescriptorInternal descriptor(String id) {
        def desc = Mock(TestDescriptorInternal)
        _ * desc.getId() >> id
        desc
    }

    TestStartEvent startEvent(String parentId) {
        def event = Mock(TestStartEvent)

import org.elasticsearch.gradle.internal.test.rerun.TestRerunTaskExtension;
import org.gradle.api.GradleException;
import org.gradle.api.internal.tasks.testing.JvmTestExecutionSpec;
import org.gradle.api.internal.tasks.testing.TestDescriptorInternal;
import org.gradle.api.internal.tasks.testing.TestExecuter;
import org.gradle.api.internal.tasks.testing.TestResultProcessor;
import org.gradle.internal.id.CompositeIdGenerator;