### Question:
LikelihoodApi { public String update(Long likelihoodId, String body) throws ApiException { ApiResponse<String> resp = updateWithHttpInfo(likelihoodId, body); return resp.getData(); } LikelihoodApi();  LikelihoodApi(ApiClient apiClient); ApiClient getApiClient(); void setApiClient(ApiClient apiClient); com.squareup.okhttp.Call retrieveCall(Long likelihoodId, final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); String retrieve(Long likelihoodId); ApiResponse<String> retrieveWithHttpInfo(Long likelihoodId); com.squareup.okhttp.Call retrieveAsync(Long likelihoodId, final ApiCallback<String> callback); com.squareup.okhttp.Call retrieveAllCall(String ppiName, final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); String retrieveAll(String ppiName); ApiResponse<String> retrieveAllWithHttpInfo(String ppiName); com.squareup.okhttp.Call retrieveAllAsync(String ppiName, final ApiCallback<String> callback); com.squareup.okhttp.Call updateCall(Long likelihoodId, String body, final ProgressResponseBody.ProgressListener progressListener, final ProgressRequestBody.ProgressRequestListener progressRequestListener); String update(Long likelihoodId, String body); ApiResponse<String> updateWithHttpInfo(Long likelihoodId, String body); com.squareup.okhttp.Call updateAsync(Long likelihoodId, String body, final ApiCallback<String> callback);  }### Answer:
@Test public void updateTest() throws ApiException { Long likelihoodId = null; String body = null; String response = api.update(likelihoodId, body); }