27    def _test_examples_dir(self, path_to_glob, broken=None, filepattern="", nevents=10):
   28        """
   29        Internal function to test a directory full of example scripts with an optional list of broken scripts to be skipped.
   30 
   31        Parameters:
   32            path_to_glob (str): the path to search for scripts
   33            broken (list(str)): (optional) scripts that are known to be broken and can be skipped
   34        """
   35        if broken is None:
   36            broken = []
   37        configure_logging_for_tests()
   38        all_egs = sorted(glob.glob(find_file(path_to_glob) + f"/{filepattern}*.py"))
   39        for eg in all_egs:
   40            filename = os.path.basename(eg)
   41            if filename not in broken:
   42                with self.subTest(msg=filename):
   43                    outputfilename = filename.replace('.py', '.root')
   44                    result = subprocess.run(['basf2', '-n', f'{nevents}', eg, '-o',
   45                                            outputfilename], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
   46                    if result.returncode != 0:
   47                        
   48                        
   49                        
   50                        sys.stdout.buffer.write(result.stdout)
   51                    self.assertEqual(result.returncode, 0)
   52 
   53                    if os.path.exists(outputfilename) and isNtuple(outputfilename):
   54                        scanTTree(outputfilename)
   55 
   56