@SuppressWarnings("unchecked")
@Test
@InSequence(3)
public void testDuplicateEmail() throws Exception {
// Register an initial user
Member member = createMemberInstance("Jane Doe", "jane@mailinator.com", "2125551234");
memberRegistration.createMember(member);
// Register a different user with the same email
Member anotherMember = createMemberInstance("John Doe", "jane@mailinator.com", "2133551234");
Response response = memberRegistration.createMember(anotherMember);
assertEquals("Unexpected response status", 409, response.getStatus());
assertNotNull("response.getEntity() should not null", response.getEntity());
assertEquals("Unexpected response.getEntity(). It contains" + response.getEntity(), 1,