@Test
public void testGetServiceHeaders() {

  final String url = "http://localhost:8000/backend";
  VulasConfiguration c1 = new VulasConfiguration();
  c1.setProperty("vulas.shared.backend.header.foo", "bar");
  c1.setProperty("vulas.shared.backend.header.baz", 1);
  c1.setProperty("vulas.shared.backend.header.X-Vulas-Client-Token", "AJDEY@HEX@EWX@XEH@I*QA");
  // c1.setProperty("vulas.shared.backend.header.test", "123, 456");
  final Map<String, String> headers = c1.getServiceHeaders(Service.BACKEND);
  assertEquals("bar", headers.get("foo"));
  assertEquals("1", headers.get("baz"));
  assertEquals("AJDEY@HEX@EWX@XEH@I*QA", headers.get("X-Vulas-Client-Token"));
  // assertEquals("123, 456", headers.get("test"));
}