tmp_path = PosixPath('/home/runner/work/synthesis-workflow/synthesis-workflow/.tox/py310/tmp/popen-gw1/test_ValidateSynthesis0')

    @pytest.fixture
    def small_O1(tmp_path):
        """Dump a small O1 atlas in folder path."""
        atlas_dir = tmp_path / "small_O1"
        # fmt: off
        with open(os.devnull, "w", encoding="utf-8") as f:
>           check_call(["brainbuilder", "atlases",
                        "-n", "6,5,4,3,2,1",
                        "-t", "200,100,100,100,100,200",
                        "-d", "100",
                        "-o", str(atlas_dir),
                        "column",
                        "-a", "1000",
                        ], stdout=f, stderr=f)

/home/runner/work/synthesis-workflow/synthesis-workflow/tests/conftest.py:50: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

popenargs = (['brainbuilder', 'atlases', '-n', '6,5,4,3,2,1', '-t', '200,100,100,100,100,200', ...],)
kwargs = {'stderr': <_io.TextIOWrapper name='/dev/null' mode='w' encoding='utf-8'>, 'stdout': <_io.TextIOWrapper name='/dev/null' mode='w' encoding='utf-8'>}
retcode = 1
cmd = ['brainbuilder', 'atlases', '-n', '6,5,4,3,2,1', '-t', '200,100,100,100,100,200', ...]

    def check_call(*popenargs, **kwargs):
        """Run command with arguments.  Wait for command to complete.  If
        the exit code was zero then return, otherwise raise
        CalledProcessError.  The CalledProcessError object will have the
        return code in the returncode attribute.
    
        The arguments are the same as for the call function.  Example:
    
        check_call(["ls", "-l"])
        """
        retcode = call(*popenargs, **kwargs)
        if retcode:
            cmd = kwargs.get("args")
            if cmd is None:
                cmd = popenargs[0]
>           raise CalledProcessError(retcode, cmd)
E           subprocess.CalledProcessError: Command '['brainbuilder', 'atlases', '-n', '6,5,4,3,2,1', '-t', '200,100,100,100,100,200', '-d', '100', '-o', '/home/runner/work/synthesis-workflow/synthesis-workflow/.tox/py310/tmp/popen-gw1/test_ValidateSynthesis0/small_O1', 'column', '-a', '1000']' returned non-zero exit status 1.

/opt/hostedtoolcache/Python/3.10.15/x64/lib/python3.10/subprocess.py:369: CalledProcessError