@Test
public void testDeletePolicy_Fail_By_Throwing_PolicyIdNotFoundException()
		throws Exception {

	// Arrange
	final String policyId = "policyId";
	final String uri = API + "/policies/" + policyId;
	doThrow(PolicyIdNotFoundException.class).when(policyService)
			.deletePolicy(policyId);
	// Act and Assert
	mockMvc.perform(delete(uri)).andExpect(status().isPreconditionFailed());
	// Assert
	verify(policyService, times(1)).deletePolicy(policyId);
}