fix still flaky test

Author: patman15

custom_components/bms_ble/config_flow.py

@@ -115,7 +115,10 @@ async def async_step_bluetooth_confirm(
         LOGGER.debug("confirm step for %s", self._disc_dev.name)
 
         if user_input is not None:
+            # Re-set unique_id to avoid race with newly added entries
+            await self.async_set_unique_id(self._disc_dev.discovery_info.address)
             self._abort_if_unique_id_configured()
+
             return self.async_create_entry(
                 title=self._disc_dev.name,
                 data={"type": self._disc_dev.type},

tests/test_config_flow.py

@@ -278,6 +278,7 @@ async def test_bluetooth_confirm_entry_added_during_flow(
     # Simulate another flow/user creating the entry before confirmation
     cfg: MockConfigEntry = mock_config()
     cfg.add_to_hass(hass)
+    await hass.config_entries.async_setup(cfg.entry_id)
     await hass.async_block_till_done()
 
     # Now try to confirm - should abort instead of creating entry