p1.setCustomer(c1);
slsbAudit.updatePhone(p1);
c1.setFirstname("Madhu");
slsbAudit.updateCustomer(c1);
int c = slsbAudit.retrieveOldPhoneListSizeFromCustomer(c1.getId());
Assert.assertEquals(2, c);
String phoneType = slsbAudit.retrieveOldPhoneListVersionFromCustomer(c1.getId());