Merge branch '4.4' into 5.4

* 4.4:
  Update profiler.rst
  Update testing.rst
  docs : update autowiring.rst

Author: javiereguiluz

profiler.rst

@@ -2,8 +2,12 @@ Profiler
 ========
 
 The profiler is a powerful **development tool** that gives detailed information
-about the execution of any request. **Never** enable the profiler in production
-environments as it will lead to major security vulnerabilities in your project.
+about the execution of any request. 
+
+.. caution::
+
+    **Never** enable the profiler in production environments
+    as it will lead to major security vulnerabilities in your project.
 
 Installation
 ------------

service_container/autowiring.rst

@@ -459,6 +459,7 @@ the injection::
 
                 # If you wanted to choose the non-default service and do not
                 # want to use a named autowiring alias, wire it manually:
+                # arguments:
                 #     $transformer: '@App\Util\UppercaseTransformer'
                 # ...
 

testing.rst

@@ -408,7 +408,7 @@ Empty the database and reload *all* the fixture classes with:
 
 .. code-block:: terminal
 
-    $ php bin/console doctrine:fixtures:load
+    $ php bin/console --env=test doctrine:fixtures:load
 
 For more information, read the `DoctrineFixturesBundle documentation`_.