minor #3764 Update testing.rst (NAYZO)

This PR was merged into the 2.3 branch.

Discussion
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Update testing.rst

Commits
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804b686 Update testing.rst
9878be6 Update testing.rst
02974c2 Update testing.rst

Author: weaverryan

book/testing.rst

@@ -494,6 +494,11 @@ force him with the ``followRedirects()`` method::
 
     $client->followRedirects();
 
+If you pass ``false`` to the ``followRedirects()`` method, the redirects 
+will no longer be followed::     
+
+    $client->followRedirects(false);
+
 .. index::
    single: Tests; Crawler