add timeout for server stop as method param

Author: andreilukashevich

appium/webdriver/appium_service.py

@@ -222,20 +222,23 @@ def start(self, **kwargs: Any) -> sp.Popen:
             raise AppiumServiceError(error_msg)
         return self._process
 
-    def stop(self) -> bool:
+    def stop(self, timeout: int = 5) -> bool:
         """Stops Appium service if it is running.
 
         The call will be ignored if the service is not running
         or has been already stopped.
 
+        Args:
+            timeout: timeout for process termination
+
         Returns:
             `True` if the service was running before being stopped
         """
         is_terminated = False
         if self.is_running:
             assert self._process
             self._process.terminate()
-            self._process.communicate(timeout=5)
+            self._process.communicate(timeout=timeout)
             is_terminated = True
         self._process = None
         self._cmd = None