scripted-diff: Use generate* from TestFramework

-BEGIN VERIFY SCRIPT-
 sed --regexp-extended -i \
     's/((self\.)?(nodes\[[^]]+\]|[a-z_]*(wallet|node)[0-9a-z_]*))\.(generate(|toaddress|block|todescriptor)(\(|, ))/self.\5\1, /g' \
     $(git grep -l generate ./test | grep -v 'test_framework/' | grep -v 'feature_rbf')
-END VERIFY SCRIPT-

test/functional/rpc_packages.py

@@ -51,7 +51,7 @@ class RPCPackagesTest(BitcoinTestFramework):
         self.address = node.get_deterministic_priv_key().address
         self.coins = []
         # The last 100 coinbase transactions are premature
-        for b in node.generatetoaddress(200, self.address)[:100]:
+        for b in self.generatetoaddress(node, 200, self.address)[:100]:
             coinbase = node.getblock(blockhash=b, verbosity=2)["tx"][0]
             self.coins.append({
                 "txid": coinbase["txid"],
@@ -151,7 +151,7 @@ class RPCPackagesTest(BitcoinTestFramework):
         assert_equal(testres_single, testres_multiple)
 
         # Clean up by clearing the mempool
-        node.generate(1)
+        self.generate(node, 1)
 
     def test_multiple_children(self):
         node = self.nodes[0]