You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: test_stash_file.rb
    path of file: ./repos/kbsecret/test/cli/command
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

require "helpers"

# Tests for KBSecret::CLI::Command:
    
  def test_stash_file_accepts_session
    session_label = "stash-file-test-session"

    kbsecret "session", "new", session_label, "-r", session_label

    kbsecret "stash-file", "-s", session_label, "test-stash-file-session", "/etc/hostname"

    stdout, = kbsecret "dump-fields", "-s", session_label, "test-stash-file-session"

    assert_match File.read("/etc/hostname"), stdout
  ensure
    kbsecret "session", "rm", "-d", session_label
  end