Clarify the need to run command twice.

We had 2 pull requests erronously trying to remove the first command. Add some comments for clarity.
rails · Dec 7, 2015 · 2af9c08 · fxn · Dec 7, 2015 · kaspth
1 parent 3979403
commit 2af9c08
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/railties/test/commands/dev_cache_test.rb b/railties/test/commands/dev_cache_test.rb
@@ -22,8 +22,8 @@ def teardown
 
     test 'dev:cache deletes file and outputs message' do
       Dir.chdir(app_path) do
-        output = `rails dev:cache`        
-        output = `rails dev:cache`
+        `rails dev:cache` # Create caching file.
+        output = `rails dev:cache` # Delete caching file.
         assert_not File.exist?('tmp/caching-dev.txt')
         assert_match(%r{Development mode is no longer being cached}, output)
       end