```ruby
require "mixlib/shellout"
require "bundler"

describe "Chef Fips Specs" do
  def windows?
    if RUBY_PLATFORM =~ /mswin|mingw|windows/
      true
    else
      false
    end
  end

  let(:chef_dir) do
    if windows?
      Dir.glob("c:/opscode/chef/embedded/lib/ruby/gems/*/gems/chef-[0-9]*").last
    else
      Dir.glob("/opt/chef/embedded/lib/ruby/gems/*/gems/chef-[0-9]*").last
    end
  end

  let(:path) do
    if windows?
      'C:\opscode\chef\embedded\bin'
    else
      "/opt/chef/embedded/bin"
    end
  end

  it "passes the unit and functional specs" do
    Bundler.with_clean_env do
      ruby_cmd = Mixlib::ShellOut.new(
        "bundle exec rspec -t ~requires_git spec/unit spec/functional", :env => { "PATH" => "#{ENV['PATH']}:#{path}",
                                                                                  "GEM_PATH" => nil, "GEM_CACHE" => nil, "GEM_HOME" => nil,
                                                                                  "CHEF_FIPS" => "1" },
                                                                                  :live_stream => STDOUT, :cwd => chef_dir, :timeout => 3600)
      expect { ruby_cmd.run_command.error! }.not_to raise_exception
    end
  end
end
```

Use the correct path separator
user
```ruby
require "mixlib/shellout"
require "bundler"

describe "Chef Fips Specs" do
  def windows?
    if RUBY_PLATFORM =~ /mswin|mingw|windows/
      true
    else
      false
    end
  end

  let(:chef_dir) do
    if windows?
      Dir.glob("c:/opscode/chef/embedded/lib/ruby/gems/*/gems/chef-[0-9]*").last
    else
      Dir.glob("/opt/chef/embedded/lib/ruby/gems/*/gems/chef-[0-9]*").last
    end
  end

  let(:path) do
    if windows?
      'C:\opscode\chef\embedded\bin'
    else
      "/opt/chef/embedded/bin"
    end
  end

  it "passes the unit and functional specs" do
    Bundler.with_clean_env do
      ruby_cmd = Mixlib::ShellOut.new(
        "bundle exec rspec -t ~requires_git spec/unit spec/functional", :env => { "PATH" => [ENV['PATH'], path].join(File::PATH_SEPARATOR),
                                                                                  "GEM_PATH" => nil, "GEM_CACHE" => nil, "GEM_HOME" => nil,
                                                                                  "CHEF_FIPS" => "1"},
                                                                                  :live_stream => STDOUT, :cwd => chef_dir, :timeout => 3600)
      expect { ruby_cmd.run_command.error! }.not_to raise_exception
    end
  end
end
```
assistant