Re-enable the test for abort-on-fail command

[fpgmaas]

https://github.com/fpgmaas/ckit/blob/main/tests/test_command.py#L26

Caused issues in tox

  ============================= test session starts ==============================
  platform linux -- Python 3.9.16, pytest-7.2.2, pluggy-1.0.0
  cachedir: .tox/py39/.pytest_cache
  rootdir: /home/runner/work/ckit/ckit
  plugins: cov-4.0.0, anyio-3.6.2
  collected 8 items
  
  tests/test_command.py ..F                                                [ 37%]
  tests/config/test_common.py .                                            [ 50%]
  tests/config/test_config.py .                                            [ 62%]
  tests/config/test_config_files_initiator.py .                            [ 75%]
  tests/config/test_config_loader.py .                                     [ 87%]
  tests/config/test_yaml_parser.py .                                       [100%]
  
  =================================== FAILURES ===================================
  _____________________ test_command_stops_running_on_error ______________________
  
  capsys = <_pytest.capture.CaptureFixture object at 0x7fce25a54af0>
  
      def test_command_stops_running_on_error(capsys):
          command = Command(name="test", cmd=["echo123", "echo Hello"])
  >       output = command.run()
  
  tests/test_command.py:26: 
  _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
  ckit/command.py:70: in run
      proc = subprocess.run(shlex.split(self._expand_env_vars(command)))
  /opt/hostedtoolcache/Python/3.9.16/x64/lib/python3.9/subprocess.py:505: in run
      with Popen(*popenargs, **kwargs) as process:
  /opt/hostedtoolcache/Python/3.9.16/x64/lib/python3.9/subprocess.py:951: in __init__
      self._execute_child(args, executable, preexec_fn, close_fds,
  _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
  
  self = <Popen: returncode: 255 args: ['echo123']>, args = ['echo123']
  executable = b'echo123', preexec_fn = None, close_fds = True, pass_fds = ()
  cwd = None, env = None, startupinfo = None, creationflags = 0, shell = False
  p2cread = -1, p2cwrite = -1, c2pread = -1, c2pwrite = -1, errread = -1
  errwrite = -1, restore_signals = True, gid = None, gids = None, uid = None
  umask = -1, start_new_session = False
  
      def _execute_child(self, args, executable, preexec_fn, close_fds,
                         pass_fds, cwd, env,
                         startupinfo, creationflags, shell,
                      err_msg = ""
                      # The error must be from chdir(cwd).
                      err_filename = cwd
                  else:
                      err_filename = orig_executable
                  if errno_num != 0:
                      err_msg = os.strerror(errno_num)
  >               raise child_exception_type(errno_num, err_msg, err_filename)
  E               FileNotFoundError: [Errno 2] No such file or directory: 'echo123'
  
  /opt/hostedtoolcache/Python/3.9.16/x64/lib/python3.9/subprocess.py:1821: FileNotFoundError
  ----------------------------- Captured stdout call -----------------------------
  echo123
  
  ---------- coverage: platform linux, python 3.9.16-final-0 -----------
  Coverage XML written to file coverage.xml
  
  =========================== short test summary info ============================
  FAILED tests/test_command.py::test_command_stops_running_on_error - FileNotFo...
  ========================= 1 failed, 7 passed in 0.52s ==========================
  py39: exit 1 (1.44 seconds) /home/runner/work/ckit/ckit> pytest --doctest-modules tests --cov --cov-config=pyproject.toml --cov-report=xml pid=1961
  py39: FAIL code 1 (16.10=setup[1.24]+cmd[13.42,1.44] seconds)
  evaluation failed :( (16.18 seconds)