@Test public void throwIfNoServiceFoundForGivenName() {

  Object dummyService = new Object();
  MortarScope rootScope = scopeBuilder.withService("ServiceOne", dummyService).build("Root");
  assertThat(rootScope.getService("ServiceOne")).isNotNull();
  try {
    rootScope.getService("SearchThis");
    fail();
  } catch (IllegalArgumentException e) {
    assertThat(e).hasMessage("No service found named \"SearchThis\"");
  }
}