test(Visual Recognition): Update tests

Author: lpatino10

visual-recognition/src/test/java/com/ibm/watson/visual_recognition/v3/VisualRecognitionIT.java

@@ -12,7 +12,8 @@
  */
 package com.ibm.watson.visual_recognition.v3;
 
-import com.ibm.cloud.sdk.core.service.security.IamOptions;
+import com.ibm.cloud.sdk.core.security.Authenticator;
+import com.ibm.cloud.sdk.core.security.IamAuthenticator;
 import com.ibm.watson.common.RetryRunner;
 import com.ibm.watson.common.WatsonServiceTest;
 import com.ibm.watson.visual_recognition.v3.model.ClassifiedImages;
@@ -115,11 +116,8 @@ public void setUp() throws Exception {
     String url = getProperty("visual_recognition.url");
     classifierId = getProperty("visual_recognition.classifier_id");
 
-    service = new VisualRecognition(VERSION);
-    IamOptions iamOptions = new IamOptions.Builder()
-        .apiKey(iamApiKey)
-        .build();
-    service.setIamCredentials(iamOptions);
+    Authenticator authenticator = new IamAuthenticator(iamApiKey);
+    service = new VisualRecognition(VERSION, authenticator);
     service.setDefaultHeaders(getDefaultHeaders());
     service.setEndPoint(url);
   }

visual-recognition/src/test/java/com/ibm/watson/visual_recognition/v3/VisualRecognitionTest.java

@@ -16,7 +16,7 @@
 import com.google.gson.Gson;
 import com.google.gson.JsonObject;
 import com.ibm.cloud.sdk.core.http.HttpMediaType;
-import com.ibm.cloud.sdk.core.security.basicauth.BasicAuthConfig;
+import com.ibm.cloud.sdk.core.security.NoAuthAuthenticator;
 import com.ibm.watson.common.WatsonServiceUnitTest;
 import com.ibm.watson.visual_recognition.v3.model.ClassifiedImages;
 import com.ibm.watson.visual_recognition.v3.model.Classifier;
@@ -78,11 +78,7 @@ public class VisualRecognitionTest extends WatsonServiceUnitTest {
   public void setUp() throws Exception {
     super.setUp();
 
-    BasicAuthConfig authConfig = new BasicAuthConfig.Builder()
-        .username("")
-        .password("")
-        .build();
-    service = new VisualRecognition(VERSION, authConfig);
+    service = new VisualRecognition(VERSION, new NoAuthAuthenticator());
     service.setEndPoint(getMockWebServerUrl());
   }