	@Test
	void testUpdateSameCustomer() throws Exception {

		given(this.customerService.getCustomer(ArgumentMatchers.anyLong())).willReturn(this.customer);

		this.mockMvc.perform(MockMvcRequestBuilders.put("/rest/customers/{customerId}", this.customer.getId())
				.content(this.objectMapper.writeValueAsString(this.customer)).contentType(MediaType.APPLICATION_JSON))
				.andExpect(status().isNotModified());
	}