text: 
  import tmt
  
  tree = tmt.Tree('data')
  
  def test_root():
      root = tree.tests(names=['/root'])[0]
      assert root.summary == 'Test in the root directory'
      assert root.path == '/'
  
  def test_simple():
      simple = tree.tests(names=['/simple'])[0]
      assert simple.summary == 'Simple test in a separate directory'
      assert simple.path == '/simple'
  
  def test_virtual():
      for virtual in tree.tests(names=['/virtual']):
          assert 'Virtual test' in virtual.summary
          assert virtual.path == '/virtual'
  