minor #16935 [PHPUnitBridge] [Automated Tests] Update phpunit_bridge.rst (mohamedGasmii)

This PR was merged into the 4.4 branch.

Discussion
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[PHPUnitBridge] [Automated Tests] Update phpunit_bridge.rst

update dns sensitive annotation.

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8b85a3d [Automated Tests] Update phpunit_bridge.rst

Author: javiereguiluz

components/phpunit_bridge.rst

@@ -638,7 +638,7 @@ constraint to test the validity of the email domain::
         }
     }
 
-In order to avoid making a real network connection, add the ``@dns-sensitive``
+In order to avoid making a real network connection, add the ``@group dns-sensitive``
 annotation to the class and use the ``DnsMock::withMockedHosts()`` to configure
 the data you expect to get for the given hosts::