gistfile1.rb

describe SomeClass do
  freeze { 1.day.from_now }
  it "does some stuff with time" do
  end
end

# this actually does...

describe SomeClass do
  before { Timecop.freeze(1.day.from_now) }
  after  { Timecop.return }
  it "does some stuff with time" do
  end
end