BeanCurrentlyInCreationException

package org.springframework.cloud.sleuth.annotation;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.cloud.sleuth.SpanReporter;
import org.springframework.cloud.sleuth.annotation.SleuthSpanCreatorCircularDependencyTests.TestConfiguration;
import org.springframework.cloud.sleuth.util.ArrayListSpanAccumulator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

@SpringBootTest(classes = TestConfiguration.class)
@RunWith(SpringJUnit4ClassRunner.class)
public class SleuthSpanCreatorCircularDependencyTests {
    @Test
    public void contextLoads() throws Exception {
    }

    private static class Service1 {
        @Autowired
        private Service2 service2;
        @NewSpan
        public void foo() {
        }
    }

    private static class Service2 {
        @Autowired
        private Service1 service1;
        @NewSpan
        public void bar() {
        }
    }
    @Configuration
    @EnableAutoConfiguration
    protected static class TestConfiguration {
        @Bean
        SpanReporter spanReporter() {
            return new ArrayListSpanAccumulator();
        }

        @Bean
        public Service1 service1() {
            return new Service1();
        }

        @Bean
        public Service2 service2() {
            return new Service2();
        }
    }
}