The way I try to drive my TDD

my_fancy_test.rb

class MyFancy
end

describe "MyFancy" do

  it "should be able to be very fancy"
  
  it "should be possible to set my level of fancy"
  
  it "should add a number of exclamation points equal to the fancy level"
  
  it "should increase the fancy level by 1 when promoting"
  
  it "should decrease the fancy level by 1 when demoting"
end