run command and show if success or failed

        Args:
            cmd: string
        Returns:
            bool: if this command run successfully

def runCmd(cls, cmd):
        """run command and show if success or failed

        Args:
            cmd: string
        Returns:
            bool: if this command run successfully
        """
        cit.echo(cmd, "command")
        result = os.system(cmd)
        cls.checkResult(result)