diff --git a/src/paperless/tests/settings/test_settings.py b/src/paperless/tests/settings/test_settings.py
index 36761a83f..95155aaef 100644
--- a/src/paperless/tests/settings/test_settings.py
+++ b/src/paperless/tests/settings/test_settings.py
@@ -169,65 +169,43 @@ class TestPaperlessURLSettings(TestCase):
             self.assertIn(url, settings.CORS_ALLOWED_ORIGINS)
 
 
-class TestLlmExtraParams(TestCase):
-    def test_unset_is_empty(self) -> None:
-        """
-        GIVEN:
-            - No extra LLM params configured
-        WHEN:
-            - The setting is parsed
-        THEN:
-            - An empty dict is returned, so nothing is added to requests
-        """
-        with mock.patch.dict(os.environ, {}, clear=True):
-            self.assertEqual(_get_llm_extra_params(), {})
-
-    def test_parses_json_object(self) -> None:
-        """
-        GIVEN:
-            - A JSON object of provider parameters
-        WHEN:
-            - The setting is parsed
-        THEN:
-            - It is returned as a dict
-        """
-        with mock.patch.dict(
-            os.environ,
-            {"PAPERLESS_AI_LLM_EXTRA_PARAMS": '{"reasoning_effort": "none"}'},
-        ):
-            self.assertEqual(
-                _get_llm_extra_params(),
+class TestLlmExtraParams:
+    @pytest.mark.parametrize(
+        ("env_value", "expected"),
+        [
+            pytest.param(None, {}, id="unset"),
+            pytest.param(
+                '{"reasoning_effort": "none"}',
                 {"reasoning_effort": "none"},
-            )
+                id="json-object",
+            ),
+        ],
+    )
+    def test_parses(
+        self,
+        monkeypatch,
+        env_value,
+        expected,
+    ):
+        if env_value is None:
+            monkeypatch.delenv("PAPERLESS_AI_LLM_EXTRA_PARAMS", raising=False)
+        else:
+            monkeypatch.setenv("PAPERLESS_AI_LLM_EXTRA_PARAMS", env_value)
+        assert _get_llm_extra_params() == expected
 
-    def test_invalid_json_raises(self) -> None:
-        """
-        GIVEN:
-            - A value which is not valid JSON
-        WHEN:
-            - The setting is parsed
-        THEN:
-            - Startup fails with a clear error instead of being ignored
-        """
-        with mock.patch.dict(
-            os.environ,
-            {"PAPERLESS_AI_LLM_EXTRA_PARAMS": "reasoning_effort=none"},
-        ):
-            with pytest.raises(ImproperlyConfigured, match="valid JSON"):
-                _get_llm_extra_params()
-
-    def test_non_object_raises(self) -> None:
-        """
-        GIVEN:
-            - Valid JSON which is not an object
-        WHEN:
-            - The setting is parsed
-        THEN:
-            - Startup fails with a clear error
-        """
-        with mock.patch.dict(
-            os.environ,
-            {"PAPERLESS_AI_LLM_EXTRA_PARAMS": '["none"]'},
-        ):
-            with pytest.raises(ImproperlyConfigured, match="JSON object"):
-                _get_llm_extra_params()
+    @pytest.mark.parametrize(
+        ("env_value", "match"),
+        [
+            pytest.param("reasoning_effort=none", "valid JSON", id="invalid-json"),
+            pytest.param('["none"]', "JSON object", id="not-an-object"),
+        ],
+    )
+    def test_invalid_raises(
+        self,
+        monkeypatch,
+        env_value,
+        match,
+    ):
+        monkeypatch.setenv("PAPERLESS_AI_LLM_EXTRA_PARAMS", env_value)
+        with pytest.raises(ImproperlyConfigured, match=match):
+            _get_llm_extra_params()