#225 - Delete licenses after test.

Before this change tests remaining in the test database could adversely affect later tests.

Original pull request: #226.

src/test/java/org/springframework/data/envers/repository/support/RepositoryIntegrationTests.java

@@ -97,6 +97,7 @@ public class RepositoryIntegrationTests {
 			Revisions<Integer, License> revisions = Revisions.of(page.getContent());
 			assertThat(revisions.getLatestRevision()).isEqualTo(it);
 		});
+		licenseRepository.deleteAll();
 	}
 
 	@Test // #1