[FIX] Adjusted some of the code formatting and an assertEquals in the PetTests. Also, attempted to mock out the storage dependency purely for testing; however, since isolating the core application's spring-based use of db was more difficult than expected; the code was removed.

src/test/java/org/springframework/samples/petclinic/owner/PetTests.java

@@ -76,6 +76,6 @@ public class PetTests {
 		List<Visit> resultOfGetVisits = pet.getVisits();
 		Visit onlyVisitInCollection = resultOfGetVisits.iterator().next();
 		assertEquals(1, resultOfGetVisits.size());
-		assertEquals(visitForTesting, onlyVisitInCollection);
+		assertEquals(visitForTesting.getId(), onlyVisitInCollection.getId());
 	}
 }