diff --git a/.coveragerc b/.coveragerc
index fe2ba33b0aa..1ceca701d50 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -363,8 +363,6 @@ omit =
     homeassistant/components/faa_delays/binary_sensor.py
     homeassistant/components/faa_delays/coordinator.py
     homeassistant/components/familyhub/camera.py
-    homeassistant/components/fastdotcom/sensor.py
-    homeassistant/components/fastdotcom/__init__.py
     homeassistant/components/ffmpeg/camera.py
     homeassistant/components/fibaro/__init__.py
     homeassistant/components/fibaro/binary_sensor.py
diff --git a/tests/components/fastdotcom/test_coordinator.py b/tests/components/fastdotcom/test_coordinator.py
index 5ee8c76092b..f51f0254714 100644
--- a/tests/components/fastdotcom/test_coordinator.py
+++ b/tests/components/fastdotcom/test_coordinator.py
@@ -4,7 +4,7 @@ from unittest.mock import patch
 
 from freezegun.api import FrozenDateTimeFactory
 
-from homeassistant.components.fastdotcom.const import DOMAIN
+from homeassistant.components.fastdotcom.const import DEFAULT_NAME, DOMAIN
 from homeassistant.components.fastdotcom.coordinator import DEFAULT_INTERVAL
 from homeassistant.const import STATE_UNAVAILABLE
 from homeassistant.core import HomeAssistant
@@ -19,6 +19,7 @@ async def test_fastdotcom_data_update_coordinator(
     config_entry = MockConfigEntry(
         domain=DOMAIN,
         unique_id="UNIQUE_TEST_ID",
+        title=DEFAULT_NAME,
     )
     config_entry.add_to_hass(hass)
 
@@ -28,7 +29,7 @@ async def test_fastdotcom_data_update_coordinator(
         await hass.config_entries.async_setup(config_entry.entry_id)
         await hass.async_block_till_done()
 
-    state = hass.states.get("sensor.mock_title_download")
+    state = hass.states.get("sensor.fast_com_download")
     assert state is not None
     assert state.state == "5.0"
 
@@ -39,7 +40,7 @@ async def test_fastdotcom_data_update_coordinator(
         async_fire_time_changed(hass)
         await hass.async_block_till_done()
 
-    state = hass.states.get("sensor.mock_title_download")
+    state = hass.states.get("sensor.fast_com_download")
     assert state.state == "10.0"
 
     with patch(
@@ -50,5 +51,5 @@ async def test_fastdotcom_data_update_coordinator(
         async_fire_time_changed(hass)
         await hass.async_block_till_done()
 
-    state = hass.states.get("sensor.mock_title_download")
+    state = hass.states.get("sensor.fast_com_download")
     assert state.state is STATE_UNAVAILABLE
diff --git a/tests/components/fastdotcom/test_init.py b/tests/components/fastdotcom/test_init.py
new file mode 100644
index 00000000000..0acaddf36fc
--- /dev/null
+++ b/tests/components/fastdotcom/test_init.py
@@ -0,0 +1,115 @@
+"""Test for Sensibo component Init."""
+from __future__ import annotations
+
+from unittest.mock import patch
+
+from freezegun.api import FrozenDateTimeFactory
+
+from homeassistant import config_entries
+from homeassistant.components.fastdotcom.const import DEFAULT_NAME, DOMAIN
+from homeassistant.const import EVENT_HOMEASSISTANT_STARTED, STATE_UNKNOWN
+from homeassistant.core import CoreState, HomeAssistant
+from homeassistant.helpers import issue_registry as ir
+from homeassistant.setup import async_setup_component
+
+from tests.common import MockConfigEntry
+
+
+async def test_unload_entry(hass: HomeAssistant) -> None:
+    """Test unload an entry."""
+    config_entry = MockConfigEntry(
+        domain=DOMAIN,
+        unique_id="UNIQUE_TEST_ID",
+        title=DEFAULT_NAME,
+    )
+    config_entry.add_to_hass(hass)
+
+    with patch(
+        "homeassistant.components.fastdotcom.coordinator.fast_com", return_value=5.0
+    ):
+        await hass.config_entries.async_setup(config_entry.entry_id)
+        await hass.async_block_till_done()
+
+    assert config_entry.state == config_entries.ConfigEntryState.LOADED
+    assert await hass.config_entries.async_unload(config_entry.entry_id)
+    await hass.async_block_till_done()
+    assert config_entry.state is config_entries.ConfigEntryState.NOT_LOADED
+
+
+async def test_from_import(hass: HomeAssistant) -> None:
+    """Test imported entry."""
+    with patch(
+        "homeassistant.components.fastdotcom.coordinator.fast_com", return_value=5.0
+    ):
+        await async_setup_component(
+            hass,
+            DOMAIN,
+            {"fastdotcom": {}},
+        )
+        await hass.async_block_till_done()
+
+    state = hass.states.get("sensor.fast_com_download")
+    assert state is not None
+    assert state.state == "5.0"
+
+
+async def test_delayed_speedtest_during_startup(
+    hass: HomeAssistant, freezer: FrozenDateTimeFactory
+) -> None:
+    """Test delayed speedtest during startup."""
+    config_entry = MockConfigEntry(
+        domain=DOMAIN,
+        unique_id="UNIQUE_TEST_ID",
+        title=DEFAULT_NAME,
+    )
+    config_entry.add_to_hass(hass)
+
+    with patch(
+        "homeassistant.components.fastdotcom.coordinator.fast_com", return_value=5.0
+    ), patch.object(hass, "state", CoreState.starting):
+        await hass.config_entries.async_setup(config_entry.entry_id)
+        await hass.async_block_till_done()
+
+    assert config_entry.state == config_entries.ConfigEntryState.LOADED
+    state = hass.states.get("sensor.fast_com_download")
+    assert state is not None
+    # Assert state is unknown as coordinator is not allowed to start and fetch data yet
+    assert state.state == STATE_UNKNOWN
+
+    hass.bus.async_fire(EVENT_HOMEASSISTANT_STARTED)
+    await hass.async_block_till_done()
+
+    state = hass.states.get("sensor.fast_com_download")
+    assert state is not None
+    assert state.state == "0"
+
+    assert config_entry.state == config_entries.ConfigEntryState.LOADED
+
+
+async def test_service_deprecated(
+    hass: HomeAssistant, issue_registry: ir.IssueRegistry
+) -> None:
+    """Test deprecated service."""
+    config_entry = MockConfigEntry(
+        domain=DOMAIN,
+        unique_id="UNIQUE_TEST_ID",
+        title=DEFAULT_NAME,
+    )
+    config_entry.add_to_hass(hass)
+    with patch(
+        "homeassistant.components.fastdotcom.coordinator.fast_com", return_value=5.0
+    ):
+        await hass.config_entries.async_setup(config_entry.entry_id)
+        await hass.async_block_till_done()
+    await hass.services.async_call(
+        DOMAIN,
+        "speedtest",
+        {},
+        blocking=True,
+    )
+    await hass.async_block_till_done()
+
+    issue = issue_registry.async_get_issue(DOMAIN, "service_deprecation")
+    assert issue
+    assert issue.is_fixable is True
+    assert issue.translation_key == "service_deprecation"
diff --git a/tests/components/fastdotcom/test_sensor.py b/tests/components/fastdotcom/test_sensor.py
new file mode 100644
index 00000000000..47826bf35cf
--- /dev/null
+++ b/tests/components/fastdotcom/test_sensor.py
@@ -0,0 +1,31 @@
+"""Test the FastdotcomDataUpdateCoordindator."""
+from unittest.mock import patch
+
+from freezegun.api import FrozenDateTimeFactory
+
+from homeassistant.components.fastdotcom.const import DEFAULT_NAME, DOMAIN
+from homeassistant.core import HomeAssistant
+
+from tests.common import MockConfigEntry
+
+
+async def test_fastdotcom_data_update_coordinator(
+    hass: HomeAssistant, freezer: FrozenDateTimeFactory
+) -> None:
+    """Test the update coordinator."""
+    config_entry = MockConfigEntry(
+        domain=DOMAIN,
+        unique_id="UNIQUE_TEST_ID",
+        title=DEFAULT_NAME,
+    )
+    config_entry.add_to_hass(hass)
+
+    with patch(
+        "homeassistant.components.fastdotcom.coordinator.fast_com", return_value=5.0
+    ):
+        await hass.config_entries.async_setup(config_entry.entry_id)
+        await hass.async_block_till_done()
+
+    state = hass.states.get("sensor.fast_com_download")
+    assert state is not None
+    assert state.state == "5.0"