title: java.lang.IllegalArgumentException: CamelContext must be specified on: Message[] - Camel core
body: <p>Below is builder from camel core &amp; writting junit testcases with it &amp; camel core version used is 2.22.1.</p>
  <pre><code>new ExchangeBuilder(null)
        .withBody(body)
        .withHeader(header, headerValue)
        .build();
  </code></pre>
  <p>Junit testcases is throwing error when calling above builder - java.lang.IllegalArgumentException: CamelContext must be specified on: Message[]</p>