title: Do multiple categories lead to multiple tests, for nunit test fixtures?
body: <p>say that i have the following setup:</p>
  
  <pre><code>[TestFixture, Category("aCategory"), Category("anotherCategory")]
  public class SomeClass{
     [Test]
     public void SomeTest()
     {
        //testing
     }
  }
  </code></pre>
  
  <p>how many times will the <code>SomeTest</code> be run? once, with the results shown in both categories, or twice, once for each category?</p>