Remind about log suppression.

Author: mpasternak

docs/helpers.rst

@@ -374,6 +374,10 @@ created in data migrations, you should add the
 You can also use ``--liveserver-verbose`` command-line argument, to outputs
 the liveserver logs to the standard output, including tracebacks. This is
 useful for debugging live server behaviour and environment-related problems.
+Take note, logs will be written to standard output, which is being supressed
+by pytest by default, so you will need to use ``-s`` or ``--capture=no``
+parameter too.
+
 
 .. note:: Combining database access fixtures.