CreateBandTest.rb

test "should create band" do
  assert_difference('Band.count') do
    assert_difference('User.count') do
      post :create, :band => { :name => "MyBand",
                               :website => "www.myband.com",
                               :hometown_city => "Houston",
                               :hometown_state => "TX",
                               :subdomain => "myband" },
                    :user => { :band => assigns(:band), 
                               :username => "testuser",
                               :email_address => "[email protected]",
                               :first_name => "Test",
                               :last_name => "User",
                               :password => "1234",
                               :password_confirmation => "1234" }
    end
  end
end

1. Failure:
   test_should_create_band(BandsControllerTest)
   [(eval):3:in each_with_index' /test/functional/bands_controller_test.rb:23:intest_should_create_band'
   /test/functional/bands_controller_test.rb:22:in `test_should_create_band']:
   "User.count" didn't change by 1.
   <6> expected but was
   <5>.