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/mempool_compatibility.py

@@ -38,8 +38,8 @@ class MempoolCompatibilityTest(BitcoinTestFramework):
 
         old_node, new_node = self.nodes
         new_wallet = MiniWallet(new_node)
-        new_wallet.generate(1)
-        new_node.generate(COINBASE_MATURITY)
+        self.generate(new_wallet, 1)
+        self.generate(new_node, COINBASE_MATURITY)
         # Sync the nodes to ensure old_node has the block that contains the coinbase that new_wallet will spend.
         # Otherwise, because coinbases are only valid in a block and not as loose txns, if the nodes aren't synced
         # unbroadcasted_tx won't pass old_node's `MemPoolAccept::PreChecks`.