title: How to run only one test in tox?
body: <p>I'm trying to write a new test for a project and I'd like to test only that one test in tox. I'm already completely sure that other tests are fine, I don't need them being run every time. The only <a href="http://blog.jasonmeridth.com/posts/how-to-run-a-single-test-with-tox/" rel="noreferrer">suggestion</a> I've found doesn't work with</p>
  
  <pre><code>ERROR: InvocationError: could not find executable 
  </code></pre>