Tests after making all explicit address conversions as non-payable

docs/contracts/functions.rst

@@ -438,7 +438,7 @@ operations as long as there is enough gas passed on to it.
             // results in test.x becoming == 1 and test.y becoming 1.
 
             // If someone sends Ether to that contract, the receive function in TestPayable will be called.
-            require(address(test).send(2 ether));
+            require(payable(test).send(2 ether));
             // results in test.x becoming == 2 and test.y becoming 2 ether.
 
             return true;