<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def step_i_run_command(context, command):
 """ Run a command as subprocess, collect its output and returncode. """

    command_util.ensure_workdir_exists(context)
    context.command_result = command_shell.run(command, cwd=context.workdir)
    command_util.workdir_save_coverage_files(context.workdir)
    if False and DEBUG:
        print(u"run_command: {0}".format(command))
        print(u"run_command.output {0}".format(context.command_result.output))