diff --git a/homeassistant/components/habitica/quality_scale.yaml b/homeassistant/components/habitica/quality_scale.yaml
index 195a36aa547..ba139ea241b 100644
--- a/homeassistant/components/habitica/quality_scale.yaml
+++ b/homeassistant/components/habitica/quality_scale.yaml
@@ -4,9 +4,7 @@ rules:
   appropriate-polling: done
   brands: done
   common-modules: done
-  config-flow-test-coverage:
-    status: todo
-    comment: test already_configured, tests should finish with create_entry or abort, assert unique_id
+  config-flow-test-coverage: done
   config-flow: done
   dependency-transparency: todo
   docs-actions: done
diff --git a/tests/components/habitica/test_config_flow.py b/tests/components/habitica/test_config_flow.py
index bd3287d3ea1..bacd1ee3ac9 100644
--- a/tests/components/habitica/test_config_flow.py
+++ b/tests/components/habitica/test_config_flow.py
@@ -147,6 +147,35 @@ async def test_form_login_errors(
     assert result["result"].unique_id == TEST_API_USER
 
 
+@pytest.mark.usefixtures("habitica")
+async def test_form__already_configured(
+    hass: HomeAssistant,
+    config_entry: MockConfigEntry,
+) -> None:
+    """Test we abort form login when entry is already configured."""
+
+    config_entry.add_to_hass(hass)
+
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": SOURCE_USER}
+    )
+
+    assert result["type"] is FlowResultType.MENU
+    assert result["step_id"] == "user"
+
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": "advanced"}
+    )
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        user_input=MOCK_DATA_ADVANCED_STEP,
+    )
+
+    assert result["type"] is FlowResultType.ABORT
+    assert result["reason"] == "already_configured"
+
+
 @pytest.mark.usefixtures("habitica")
 async def test_form_advanced(hass: HomeAssistant, mock_setup_entry: AsyncMock) -> None:
     """Test we get the form."""
@@ -387,3 +416,36 @@ async def test_flow_reauth_errors(
     assert config_entry.data[CONF_API_KEY] == "cd0e5985-17de-4b4f-849e-5d506c5e4382"
 
     assert len(hass.config_entries.async_entries()) == 1
+
+
+@pytest.mark.usefixtures("habitica")
+async def test_flow_reauth_unique_id_mismatch(hass: HomeAssistant) -> None:
+    """Test reauth flow."""
+
+    config_entry = MockConfigEntry(
+        domain=DOMAIN,
+        title="test-user",
+        data={
+            CONF_URL: DEFAULT_URL,
+            CONF_API_USER: "371fcad5-0f9c-4211-931c-034a5d2a6213",
+            CONF_API_KEY: "cd0e5985-17de-4b4f-849e-5d506c5e4382",
+        },
+        unique_id="371fcad5-0f9c-4211-931c-034a5d2a6213",
+    )
+
+    config_entry.add_to_hass(hass)
+    result = await config_entry.start_reauth_flow(hass)
+    assert result["type"] is FlowResultType.FORM
+    assert result["step_id"] == "reauth_confirm"
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        USER_INPUT_REAUTH_LOGIN,
+    )
+
+    await hass.async_block_till_done()
+
+    assert result["type"] is FlowResultType.ABORT
+    assert result["reason"] == "unique_id_mismatch"
+
+    assert len(hass.config_entries.async_entries()) == 1