maven sprinbootest junit 5没有使用日期正确填充数据库

import java.text.SimpleDateFormat;
import java.util.Date;

public class DateExample {
    public static void main(String[] args) {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        String dateStr = sdf.format(new Date());
        System.out.println(dateStr);
    }
}

import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
import java.util.Date;

@Entity
@Table(name = "example_table")
public class ExampleEntity {
    @Id
    private Long id;

    private Date exampleDate;

    // Getters and setters
}

import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit.jupiter.SpringExtension;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;

@SpringBootTest
@ExtendWith(SpringExtension.class)
public class ExampleTest {

    @Test
    public void testInsertDate() {
        // Test code here
    }
}