title: Module WebHelper could not be found and loaded
body: <p>I'm just starting to learn codeception and have one trouble in beginning.
  When I run <code>./vendor/bin/codecept build</code>, I get this exeption:</p>
  
  <blockquote>
    <p>Module WebHelper could not be found and loaded</p>
  </blockquote>
  
  <p>My acceptance.suite.yml looks like this</p>
  
  <pre><code>class_name: AcceptanceTester
  modules:
      enabled:
          - PhpBrowser
          - WebHelper
      config:
          PhpBrowser:
              url: 'http://test-6.local/'
  </code></pre>