### Question:
AnotherFakeApi { public CompletableFuture<Client> call123testSpecialTags(Client body) throws ApiException { try { HttpRequest.Builder localVarRequestBuilder = call123testSpecialTagsRequestBuilder(body); return memberVarHttpClient.sendAsync( localVarRequestBuilder.build(), HttpResponse.BodyHandlers.ofString()).thenComposeAsync(localVarResponse -> { if (localVarResponse.statusCode()/ 100 != 2) { return CompletableFuture.failedFuture(getApiException("call123testSpecialTags", localVarResponse)); } try { return CompletableFuture.completedFuture( memberVarObjectMapper.readValue(localVarResponse.body(), new TypeReference<Client>() {}) ); } catch (IOException e) { return CompletableFuture.failedFuture(new ApiException(e)); } }); } catch (ApiException e) { return CompletableFuture.failedFuture(e); } } AnotherFakeApi();  AnotherFakeApi(ApiClient apiClient); CompletableFuture<Client> call123testSpecialTags(Client body); CompletableFuture<ApiResponse<Client>> call123testSpecialTagsWithHttpInfo(Client body);  }### Answer:
@Test public void call123testSpecialTagsTest() throws ApiException { Client body = null; CompletableFuture<Client> response = api.call123testSpecialTags(body); }