template.html.erb

<%=h status %>

<% content_for :footer %>
  <%=h footer %>
<% end %>

view_spec.rb

describe "statuses/_status.html.erb" do
  it "should display the status" do
    render :object => mock_model(Status)
    response.should include_status
  end

  it_should_behave_like "a template that renders the footer"
end

shared_examples_for "a template that renders the footer" do
  it "should render the footer" do
    render # need to pass in footer local
  end
end