minor #3462 Replace ... with etc (ifdattic)

This PR was merged into the 2.3 branch.

Discussion
----------

Replace ... with etc

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | 2.3
| Fixed tickets |

Commits
-------

e6b1c7d Replace ... with etc

cookbook/testing/profiling.rst

@@ -11,7 +11,7 @@ various things and enforce some metrics.
 
 The Symfony2 :ref:`Profiler <internals-profiler>` gathers a lot of data for
 each request. Use this data to check the number of database calls, the time
-spent in the framework, ... But before writing assertions, enable the profiler
+spent in the framework, etc. But before writing assertions, enable the profiler
 and check that the profiler is indeed available (it is enabled by default in
 the ``test`` environment)::