test(core): Temporarily ignore JDNI test

Author: lpatino10

core/src/test/java/com/ibm/watson/developer_cloud/util/CredentialUtilsTest.java

@@ -21,6 +21,7 @@
 
 import org.junit.Assert;
 import org.junit.Before;
+import org.junit.Ignore;
 import org.junit.Test;
 
 import com.ibm.watson.developer_cloud.WatsonServiceTest;
@@ -129,6 +130,7 @@ public void testGetUserCredentialsWithPlan() {
    * it always fails there.
    */
   @Test
+  @Ignore
   public void testGetAPIUrlFromJDNI() {
     assertEquals(CredentialUtils.getAPIUrlTest(SERVICE_NAME), PERSONALITY_INSIGHTS_URL);
   }