Don't leave directories around after testing.

features/command_line.feature

@@ -199,6 +199,7 @@ Feature: Command Line
     And a png file assets/wide_grid.png is not created
 
   Scenario: Generate a compass configuration file
+    Given I should clean up the directory: config
     When I run: compass config config/compass.rb --sass-dir sass --css-dir assets/css
     Then a configuration file config/compass.rb is created
     And the following configuration properties are set in config/compass.rb:

features/step_definitions/command_line_steps.rb

@@ -44,6 +44,10 @@ Given /^I'm in a newly created rails project: (.+)$/ do |project_name|
   end
 end
 
+Given /^I should clean up the directory: (\w+)$/ do |directory|
+  @cleanup_directories << directory
+end
+
 # When Actions are performed
 When /^I create a project using: compass create ([^\s]+) ?(.+)?$/ do |dir, args|
   @cleanup_directories << dir