minor #9836 Minor tweak about enalbing the profiler in the tests (javiereguiluz)

This PR was merged into the 2.8 branch.

Discussion
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Minor tweak about enalbing the profiler in the tests

This fixes #9583 and hopefully it's easier to understand now how it works.

Commits
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0c53710 Minor tweak about enalbing the profiler in the tests

Author: javiereguiluz

testing/profiling.rst

@@ -21,7 +21,8 @@ the ``test`` environment)::
         {
             $client = static::createClient();
 
-            // enable the profiler for the next request
+            // enable the profiler only for the next request (if you make
+            // new requests, you must call to this method again)
             // (it does nothing if the profiler is not available)
             $client->enableProfiler();