symfony/symfony-docs — pull request #4582 by peterrehm (2014-12-03 21:40:41+00:00)
Title: Completed the needed context to successfully test commands with Helpers

| Q | A
| ------------- | ---
| Doc fix? | yes
| New docs? | no
| Applies to | all
| Fixed tickets | #4581

As mentioned in symfony/symfony#12798 the explanation about the initialization is not clear.
Therefore I have added the needed context and a reference to the related cookbook article.