Rename function

Co-authored-by: Matt Clarke <matt.clarke@ess.eu>

Author: FreddieAkeroyd

src/lewis/adapters/stream.py

@@ -109,7 +109,7 @@ def found_terminator(self):
 
         self._send_reply(reply)
 
-    def unsolicitedReply(self, reply):
+    def unsolicited_reply(self, reply):
         self.log.debug('Sending unsolicited reply %s', reply)
         self.push(b(reply + self._target.out_terminator))