def METHOD_NAME(self):
    shell = Shell("/bin/bash")
    assert shell.name == "/bin/bash"
    assert shell.path == shutil.which("/bin/bash")
    assert shell.shebang == f"#!{shutil.which('/bin/bash')}"
    shell = Shell("bash")
    assert shell.name == "bash"
    assert shell.path == shutil.which("bash")
    assert shell.shebang == f"#!{shutil.which('bash')}"