@Test
public void test_listIAMRole_successfully() {

    String token = "5PDrOhsy4ig8L3EpsJZSLAMg";
    String jsonGetStr = "{  \"keys\": [ \"mytestawsrole\" ]}";
    Response listResponse = getMockResponse(HttpStatus.OK, true, jsonGetStr);
    ResponseEntity<String> responseEntityExpected = ResponseEntity.status(HttpStatus.OK).body(jsonGetStr);
    when(reqProcessor.process("/auth/aws/iam/roles/list","{}",token)).thenReturn(listResponse);
    ResponseEntity<String> responseEntity = awsIamAuthService.listIAMRoles(token);
    assertEquals(HttpStatus.OK, responseEntity.getStatusCode());
    assertEquals(responseEntityExpected, responseEntity);
}