Update test logging to be able to accept braces (#8335)

changelog.d/8335.misc

+Fix test logging to allow braces in log output.
\ No newline at end of file

tests/test_utils/logging_setup.py

@@ -29,8 +29,7 @@ class ToTwistedHandler(logging.Handler):
         log_entry = self.format(record)
         log_level = record.levelname.lower().replace("warning", "warn")
         self.tx_log.emit(
-            twisted.logger.LogLevel.levelWithName(log_level),
-            log_entry.replace("{", r"(").replace("}", r")"),
+            twisted.logger.LogLevel.levelWithName(log_level), "{entry}", entry=log_entry
         )