Merge #20763: test: Fix comment typo in BitcoinTestFramework

40fdb2a test: Fix Comment Typo in BitcoinTestFramework (Joel Klabo)

Pull request description:

  Missing "override" in comment describing use of set_test_params

ACKs for top commit:
  michaelfolkson:
    ACK 40fdb2a

Tree-SHA512: bf893a0d5f8dc86a3ec2eaf48cd7c0f0f832f3b3d254b3d99953336db7e294571b1d2c8686030bf8a27cbe67b1a85a54e53ebefb2e57d6d8d6ac864a15dce4e7

Author: fanquake

test/functional/test_framework/test_framework.py

@@ -332,7 +332,7 @@ def shutdown(self):
 
     # Methods to override in subclass test scripts.
     def set_test_params(self):
-        """Tests must this method to change default values for number of nodes, topology, etc"""
+        """Tests must override this method to change default values for number of nodes, topology, etc"""
         raise NotImplementedError
 
     def add_options(self, parser):