diff --git a/tests/components/plex/conftest.py b/tests/components/plex/conftest.py
index 506aadcce61..e4bf61ccd94 100644
--- a/tests/components/plex/conftest.py
+++ b/tests/components/plex/conftest.py
@@ -1,5 +1,6 @@
 """Fixtures for Plex tests."""
-from unittest.mock import patch
+from collections.abc import Generator
+from unittest.mock import AsyncMock, patch
 
 import pytest
 
@@ -18,6 +19,15 @@ def plex_server_url(entry):
     return entry.data[PLEX_SERVER_CONFIG][CONF_URL].split(":", 1)[-1]
 
 
+@pytest.fixture
+def mock_setup_entry() -> Generator[AsyncMock, None, None]:
+    """Override async_setup_entry."""
+    with patch(
+        "homeassistant.components.plex.async_setup_entry", return_value=True
+    ) as mock_setup_entry:
+        yield mock_setup_entry
+
+
 @pytest.fixture(name="album", scope="session")
 def album_fixture():
     """Load album payload and return it."""
diff --git a/tests/components/plex/test_config_flow.py b/tests/components/plex/test_config_flow.py
index 36c9ab614f5..2f3e268177b 100644
--- a/tests/components/plex/test_config_flow.py
+++ b/tests/components/plex/test_config_flow.py
@@ -2,7 +2,7 @@
 import copy
 from http import HTTPStatus
 import ssl
-from unittest.mock import patch
+from unittest.mock import AsyncMock, patch
 
 import plexapi.exceptions
 import pytest
@@ -42,7 +42,6 @@ from homeassistant.core import HomeAssistant
 from homeassistant.data_entry_flow import FlowResultType
 
 from .const import DEFAULT_OPTIONS, MOCK_SERVERS, MOCK_TOKEN, PLEX_DIRECT_URL
-from .helpers import trigger_plex_update, wait_for_debouncer
 from .mock_classes import MockGDM
 
 from tests.common import MockConfigEntry
@@ -718,31 +717,22 @@ async def test_integration_discovery(hass: HomeAssistant) -> None:
     assert flow["step_id"] == "user"
 
 
-async def test_trigger_reauth(
+async def test_reauth(
     hass: HomeAssistant,
-    entry,
-    mock_plex_server,
-    mock_websocket,
+    entry: MockConfigEntry,
+    mock_plex_calls: None,
     current_request_with_host: None,
+    mock_setup_entry: AsyncMock,
 ) -> None:
     """Test setup and reauthorization of a Plex token."""
+    entry.add_to_hass(hass)
 
-    assert entry.state is ConfigEntryState.LOADED
-
-    with patch(
-        "plexapi.server.PlexServer.clients", side_effect=plexapi.exceptions.Unauthorized
-    ), patch("plexapi.server.PlexServer", side_effect=plexapi.exceptions.Unauthorized):
-        trigger_plex_update(mock_websocket)
-        await wait_for_debouncer(hass)
-
-    assert len(hass.config_entries.async_entries(DOMAIN)) == 1
-    assert entry.state is not ConfigEntryState.LOADED
-
-    flows = hass.config_entries.flow.async_progress()
-    assert len(flows) == 1
-    assert flows[0]["context"]["source"] == SOURCE_REAUTH
-
-    flow_id = flows[0]["flow_id"]
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN,
+        context={"source": SOURCE_REAUTH},
+        data=entry.data,
+    )
+    flow_id = result["flow_id"]
 
     with patch("plexauth.PlexAuth.initiate_auth"), patch(
         "plexauth.PlexAuth.token", return_value="BRAND_NEW_TOKEN"
@@ -767,38 +757,33 @@ async def test_trigger_reauth(
     assert entry.data[PLEX_SERVER_CONFIG][CONF_URL] == PLEX_DIRECT_URL
     assert entry.data[PLEX_SERVER_CONFIG][CONF_TOKEN] == "BRAND_NEW_TOKEN"
 
+    mock_setup_entry.assert_called_once()
 
-async def test_trigger_reauth_multiple_servers_available(
+
+async def test_reauth_multiple_servers_available(
     hass: HomeAssistant,
-    entry,
-    mock_plex_server,
-    mock_websocket,
+    entry: MockConfigEntry,
+    mock_plex_calls: None,
     current_request_with_host: None,
     requests_mock: requests_mock.Mocker,
-    plextv_resources_two_servers,
+    plextv_resources_two_servers: str,
+    mock_setup_entry: AsyncMock,
 ) -> None:
     """Test setup and reauthorization of a Plex token when multiple servers are available."""
-    assert entry.state is ConfigEntryState.LOADED
-
     requests_mock.get(
         "https://plex.tv/api/resources",
         text=plextv_resources_two_servers,
     )
 
-    with patch(
-        "plexapi.server.PlexServer.clients", side_effect=plexapi.exceptions.Unauthorized
-    ), patch("plexapi.server.PlexServer", side_effect=plexapi.exceptions.Unauthorized):
-        trigger_plex_update(mock_websocket)
-        await wait_for_debouncer(hass)
+    entry.add_to_hass(hass)
 
-    assert len(hass.config_entries.async_entries(DOMAIN)) == 1
-    assert entry.state is not ConfigEntryState.LOADED
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN,
+        context={"source": SOURCE_REAUTH},
+        data=entry.data,
+    )
 
-    flows = hass.config_entries.flow.async_progress()
-    assert len(flows) == 1
-    assert flows[0]["context"]["source"] == SOURCE_REAUTH
-
-    flow_id = flows[0]["flow_id"]
+    flow_id = result["flow_id"]
 
     with patch("plexauth.PlexAuth.initiate_auth"), patch(
         "plexauth.PlexAuth.token", return_value="BRAND_NEW_TOKEN"
@@ -823,6 +808,8 @@ async def test_trigger_reauth_multiple_servers_available(
     assert entry.data[PLEX_SERVER_CONFIG][CONF_URL] == PLEX_DIRECT_URL
     assert entry.data[PLEX_SERVER_CONFIG][CONF_TOKEN] == "BRAND_NEW_TOKEN"
 
+    mock_setup_entry.assert_called_once()
+
 
 async def test_client_request_missing(hass: HomeAssistant) -> None:
     """Test when client headers are not set properly."""
diff --git a/tests/components/plex/test_init.py b/tests/components/plex/test_init.py
index cdfa409237f..08b8635829f 100644
--- a/tests/components/plex/test_init.py
+++ b/tests/components/plex/test_init.py
@@ -15,7 +15,7 @@ from homeassistant.components.plex.models import (
     TRANSIENT_SECTION,
     UNKNOWN_SECTION,
 )
-from homeassistant.config_entries import ConfigEntryState
+from homeassistant.config_entries import SOURCE_REAUTH, ConfigEntryState
 from homeassistant.const import (
     CONF_TOKEN,
     CONF_URL,
@@ -336,3 +336,27 @@ async def test_setup_with_limited_credentials(
 
     assert len(hass.config_entries.async_entries(const.DOMAIN)) == 1
     assert entry.state is ConfigEntryState.LOADED
+
+
+async def test_trigger_reauth(
+    hass: HomeAssistant,
+    entry: MockConfigEntry,
+    mock_plex_server,
+    mock_websocket,
+) -> None:
+    """Test setup and reauthorization of a Plex token."""
+
+    assert entry.state is ConfigEntryState.LOADED
+
+    with patch(
+        "plexapi.server.PlexServer.clients", side_effect=plexapi.exceptions.Unauthorized
+    ), patch("plexapi.server.PlexServer", side_effect=plexapi.exceptions.Unauthorized):
+        trigger_plex_update(mock_websocket)
+        await wait_for_debouncer(hass)
+
+    assert len(hass.config_entries.async_entries(const.DOMAIN)) == 1
+    assert entry.state is not ConfigEntryState.LOADED
+
+    flows = hass.config_entries.flow.async_progress()
+    assert len(flows) == 1
+    assert flows[0]["context"]["source"] == SOURCE_REAUTH