@Test
public void toJsonReturnsExpected() {

    final CreatePolicyResponse underTestCreated =
            CreatePolicyResponse.of(TestConstants.Policy.POLICY_ID, TestConstants.Policy.POLICY,
                    TestConstants.EMPTY_DITTO_HEADERS);
    final JsonObject actualJsonCreated = underTestCreated.toJson(FieldType.regularOrSpecial());
    assertThat(actualJsonCreated).isEqualTo(KNOWN_JSON_CREATED);
}