log: Prefix log messages with function name if -logsourcelocations is set

test/functional/test_framework/test_node.py

@@ -114,6 +114,8 @@ class TestNode():
 
         if self.version_is_at_least(190000):
             self.args.append("-logthreadnames")
+        if self.version_is_at_least(219900):
+            self.args.append("-logsourcelocations")
 
         self.cli = TestNodeCLI(bitcoin_cli, self.datadir)
         self.use_cli = use_cli