title: How to reset between tests
body: <p>I have a test class </p>
  
  <pre><code>@RunWith(SpringRunner.class)
  @DataJpaTest
  </code></pre>
  
  <p>I have two tests. In every test I do the same operation, persist the object. Only the find call are different.</p>
  
  <p>If I run both tests together they fail but if I run test one after another they are successful.</p>
  
  <p>There is no reset between each test. How to do that? Only the call to the repository is different in each test. </p>
  
  <pre><code>@Test
  public void findTopByCommerceCommerceIdOrderByEntryTimeDesc() {
  
      Long commerceId = 1L;
  
      Commerce commerce = new Commerce();
      commerce.setName("test");
      this.entityManager.persist(commerce);
  
      Member member = new Member();
      member.setCommerce(commerce);
      member.setMan(true);
      member.setName("bob binette");
  
      this.entityManager.persist(member);
  
      Visit visit1 = new Visit();
      visit1.setCommerce(commerce);
  
      visit1.setMember(member);
      visit1.setEntryTime(LocalDateTime.of(LocalDate.now(), LocalTime.now()));
  
      Visit visit2 = new Visit();
      visit2.setCommerce(commerce);
  
      visit2.setMember(member);
      visit2.setEntryTime(LocalDateTime.of(LocalDate.now().minusDays(2), LocalTime.now()));
  
      this.entityManager.persist(visit1);
      this.entityManager.persist(visit2);
  
      Visit visit = visitRepository.findTopByCommerceCommerceIdOrderByEntryTimeDesc(commerceId);
  
      assertEquals(visit.getVisitId(), Long.valueOf("1"));
  
  }
  </code></pre>
  
  <p>Edit</p>
  
  <p>i put all the code : <a href="http://pastebin.com/M9w9hEYQ" rel="noreferrer">http://pastebin.com/M9w9hEYQ</a></p>