title: object test is not a member of package org.elasticsearch
body: <p>I am trying to use class <code>ESTestCase</code> from the package <code>org.elasticsearch.test.ESTestCase</code>
  I am following this link -> 
  <a href="https://www.elastic.co/guide/en/elasticsearch/reference/current/using-elasticsearch-test-classes.html" rel="nofollow noreferrer">https://www.elastic.co/guide/en/elasticsearch/reference/current/using-elasticsearch-test-classes.html</a>
  I am using sbt project here are the library dependencies is the build.sbt file </p>
  
  <pre><code>"org.elasticsearch" % "elasticsearch" % "5.6.0",
  "org.elasticsearch.client" % "transport" % "5.6.0",
                  "org.apache.lucene" % "lucene-expressions" % "6.6.0",
                  "org.apache.logging.log4j" % "log4j-core" % "2.9.0",
                  "org.apache.lucene" % "lucene-test-framework" % "6.6.0" % "test",
                  "org.elasticsearch.test" % "framework" % "5.6.0" % "test",
  </code></pre>
  
  <p>when i try to import these two lines </p>
  
  <pre><code>import org.elasticsearch.test.ESTestCase
  import org.elasticsearch.transport.MockTransportClient
  </code></pre>
  
  <p>eclipse is not showing any compile time error but got following errors on <code>sbt-compile</code>             </p>
  
  <p>[</p>
  
  <pre><code>error] /myproject/app/CampaignController.scala:44: object test is not a member of package org.elasticsearch
  [error] import org.elasticsearch.test.ESTestCase
  [error]                          ^
  [error] /myproject/app/CampaignController.scala:45: object MockTransportClient is not a member of package org.elasticsearch.transport
  [error] import org.elasticsearch.transport.MockTransportClient
  [error]        ^
  </code></pre>
  
  <p>I am using ElasticSearch 5.6.0 ,please helP what is causing the issue</p>