Fix nice_go integration tests (#124736)

tests/components/nice_go/conftest.py

 """Common fixtures for the Nice G.O. tests."""
 
 from collections.abc import Generator
+from datetime import datetime
 from unittest.mock import AsyncMock, patch
 
 from nice_go import Barrier, BarrierState, ConnectionState
@@ -71,7 +72,7 @@ def mock_config_entry() -> MockConfigEntry:
             CONF_EMAIL: "test-email",
             CONF_PASSWORD: "test-password",
             CONF_REFRESH_TOKEN: "test-refresh-token",
-            CONF_REFRESH_TOKEN_CREATION_TIME: 1722184160.738171,
+            CONF_REFRESH_TOKEN_CREATION_TIME: datetime.now().timestamp(),
         },
         version=1,
         unique_id="test-email",

tests/components/nice_go/snapshots/test_diagnostics.ambr

@@ -26,7 +26,6 @@
         'email': '**REDACTED**',
         'password': '**REDACTED**',
         'refresh_token': '**REDACTED**',
-        'refresh_token_creation_time': 1722184160.738171,
       }),
       'disabled_by': None,
       'domain': 'nice_go',

tests/components/nice_go/test_diagnostics.py

@@ -26,4 +26,6 @@ async def test_entry_diagnostics(
     result = await get_diagnostics_for_config_entry(
         hass, hass_client, mock_config_entry
     )
-    assert result == snapshot(exclude=props("created_at", "modified_at"))
+    assert result == snapshot(
+        exclude=props("created_at", "modified_at", "refresh_token_creation_time")
+    )

tests/components/nice_go/test_init.py

@@ -110,7 +110,7 @@ async def test_update_refresh_token(
     assert mock_nice_go.authenticate.call_count == 0
 
     mock_nice_go.authenticate.return_value = "new-refresh-token"
-    freezer.tick(timedelta(days=30))
+    freezer.tick(timedelta(days=30, seconds=1))
     async_fire_time_changed(hass)
     assert await hass.config_entries.async_reload(mock_config_entry.entry_id)
     await hass.async_block_till_done()