Add re-authentication to Jellyfin (#97442)

tests/components/jellyfin/const.py

@@ -2,6 +2,18 @@
 
 from typing import Final
 
+from homeassistant.const import CONF_PASSWORD, CONF_URL, CONF_USERNAME
+
 TEST_URL: Final = "https://example.com"
 TEST_USERNAME: Final = "test-username"
 TEST_PASSWORD: Final = "test-password"
+
+USER_INPUT: Final = {
+    CONF_URL: TEST_URL,
+    CONF_USERNAME: TEST_USERNAME,
+    CONF_PASSWORD: TEST_PASSWORD,
+}
+
+REAUTH_INPUT: Final = {
+    CONF_PASSWORD: TEST_PASSWORD,
+}