```ruby
require "rubygems"
require "spec"
require File.dirname(__FILE__) + "/../lib/rack/test"

require File.dirname(__FILE__) + "/fake_app"

describe "any #verb methods", :shared => true do
  it "requests the URL using VERB" do
    @session.send(verb, "/")
    request.env["REQUEST_METHOD"].should == verb.upcase
    response.should be_ok
  end

  it "uses the provided params hash" do
    unless %(head put).include?(verb)
      @session.send(verb, "/", :foo => "bar")
      request.send(verb.upcase).should == { "foo" => "bar" }
    end
  end

  it "uses the provided env" do
    @session.send(verb, "/", {}, { "User-Agent" => "Rack::Test" })
    request.env["User-Agent"].should == "Rack::Test"
  end

  it "follows redirect" do
    if verb == "post"
      @session.send(verb, "/", "redirect" => true)
    else
      @session.send(verb, "/?redirect=1")
    end

    response.should_not be_redirect
    response.body.should == ["You've been redirected"]
  end
end
```

Fix failing spec for delete
user
```ruby
require "rubygems"
require "spec"
require File.dirname(__FILE__) + "/../lib/rack/test"

require File.dirname(__FILE__) + "/fake_app"

describe "any #verb methods", :shared => true do
  it "requests the URL using VERB" do
    @session.send(verb, "/")
    request.env["REQUEST_METHOD"].should == verb.upcase
    response.should be_ok
  end

  it "uses the provided params hash" do
    unless %(head put delete).include?(verb)
      @session.send(verb, "/", :foo => "bar")
      request.send(verb.upcase).should == { "foo" => "bar" }
    end
  end

  it "uses the provided env" do
    @session.send(verb, "/", {}, { "User-Agent" => "Rack::Test" })
    request.env["User-Agent"].should == "Rack::Test"
  end

  it "follows redirect" do
    if verb == "post"
      @session.send(verb, "/", "redirect" => true)
    else
      @session.send(verb, "/?redirect=1")
    end

    response.should_not be_redirect
    response.body.should == ["You've been redirected"]
  end
end
```
assistant