title: NUnit test fails in TeamCity but passes locally
body: <p>The test is for our REST API that it returns a bad request if we try to pass missing information to the POST.</p>
  
  <p>As said in title, this works fine locally, it also looks like it's fine when you look at the build log in Team City...</p>
  
  <pre><code>JetBrains.TeamCity.PlatformProcessRunner.v4.0.msil.exe Information: 0 : Response, Status=400 (BadRequest), Method=POST, Url=http://localhost:7447/api/letters, Message='Content-type='application/json; charset=utf-8', content-length=unknown'
  </code></pre>
  
  <p>But it's showing as a failure and that build step fails :(</p>
  
  <p>The only mention of error I can find in the stack trace is...</p>
  
  <pre><code>------- Stderr: -------
  JetBrains.TeamCity.PlatformProcessRunner.v4.0.msil.exe Information: 0 : 
  </code></pre>
  
  <p>That's it.. I'm at a total loss as to what's going wrong here and what to do about it.</p>