@Test
public void testStoreCustomer() {
when(customerRepository.save(customer)).thenReturn(customer);
customerService.storeCustomer(customer);
}
@Test
public void testFindAll() {
List<Customer> customers = new ArrayList<Customer>();
customers.add(customer);
when(customerRepository.findAll()).thenReturn(customers);
assertEquals(1, customerService.findAll().size());
}