Update WordPress/Tests/PHP/NoSilencedErrorsUnitTest.inc

Co-authored-by: Juliette <663378+jrfnl@users.noreply.github.com>

Author: rodrigoprimo

WordPress/Tests/PHP/NoSilencedErrorsUnitTest.inc

@@ -89,5 +89,6 @@ echo @some_userland_function( $param ); // Bad.
  * Safeguard correct handling of namespaced function calls (fully qualified is already tested above).
  */
 $file = @MyNS\MyClass::file_get_contents( $file ); // Bad.
+$file = @MyNS\MyClass\file_get_contents( $file ); // Bad.
 $file = @namespace\MyNS\MyClass::file_get_contents( $file ); // Bad.
 $file = @namespace\file_get_contents( $file ); // The sniff should stop flagging this once it can resolve relative namespaces.