add break lines and remove useless line

Author: qdequippe

testing.rst

@@ -537,12 +537,12 @@ This allows you to create all types of requests you can think of:
 
 .. caution::
 
-    Before each request, the client reboots the kernel, recreating the container from scratch.
+    Before each request, the client reboots the kernel, recreating
+    the container from scratch.
     This ensures that every requests are "isolated" using "new" service objects.
-    Also, it means that entities loaded by Doctrine repositories will be "detached", so they will need to be
-    refreshed by the manager or queried again from a repository.
-    when a new request is sent (because the entity manager was "reset"). You have to query again entities if you want
-    to have entities in "valid state".
+    Also, it means that entities loaded by Doctrine repositories will
+    be "detached", so they will need to be refreshed by the manager or
+    queried again from a repository.
 
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