diff --git a/pelican/plugins/quarto/tests/test_quarto.py b/pelican/plugins/quarto/tests/test_quarto.py
index 7da2109..63b5a8d 100644
--- a/pelican/plugins/quarto/tests/test_quarto.py
+++ b/pelican/plugins/quarto/tests/test_quarto.py
@@ -37,6 +37,7 @@ def create_article(temp_path):
     article_path.write_text(article_content)
     return article_path
 
+
 def test_plugin_functionality(create_article, temp_path):
     """Test basic plugin functionality: Header extraction."""
 
@@ -46,50 +47,42 @@ def test_plugin_functionality(create_article, temp_path):
     with open(script_dir / "test_data" / "quarto_test_output.html", "r", encoding="utf-8") as f:
         mock_html_content = f.read()
 
-    # Mock the QuartoHTML class to return a mock object with the desired HTML output
-    with patch("quarto.quarto.QuartoHTML", autospec=True) as MockQuartoHTML:
-        mock_instance = MockQuartoHTML.return_value
-        mock_instance.body = mock_html_content
-        mock_instance.header_scripts_links = []
-        mock_instance.header_styles = []
-
-        with patch.dict('os.environ', {'PATH': ''}):
-            path = Path(temp_path)
-            output_path = path / "output"
-            content_path = path / "content"
-            settings = read_settings(
-                override={
-                    "PATH": content_path,
-                    "OUTPUT_PATH": output_path,
-                    "PLUGIN_PATHS": ["../"],
-                    "PLUGINS": ["quarto"],
-                }
-            )
-            pelican = Pelican(settings=settings)
-            pelican.run()
-
-            articles=os.listdir(output_path)
-            assert f"{TESTFILE_NAME}.html" in articles, "An article should have been written"
-
-            filepath = output_path / f"{TESTFILE_NAME}.html"
-            with open(filepath, "r", encoding="utf-8") as f:
-                html_content = f.read()
-
-            print(html_content)
-
-            soup = BeautifulSoup(html_content, "html.parser")
-
-            contents=os.listdir(content_path)
-            assert "_quarto.yml" in contents, "A quarto config file should have been prepared"
-
-            script_tags = soup.find_all("script")
-            link_tags = soup.find_all("link")
-
-            # check if body contains Quarto content
-            body = soup.find("body")
-            assert body is not None, "The body of the HTML should exist"
-            quarto_script = body.find("script", id="quarto-html-after-body")
-            assert quarto_script is not None, "Quarto-specific script not found in body"
-
-            assert any("site_lib" in script.get("src", "") for script in script_tags), "No script link to site_lib found in header"
-            assert any("site_lib" in link.get("href", "") for link in link_tags), "No link to site_lib found in header"
+    # Patch the Quarto.run method to return the specific HTML content
+    with patch('quarto.quarto.Quarto.run_quarto', return_value=mock_html_content):
+        path = Path(temp_path)
+        output_path = path / "output"
+        content_path = path / "content"
+        settings = read_settings(
+            override={
+                "PATH": content_path,
+                "OUTPUT_PATH": output_path,
+                "PLUGIN_PATHS": ["../"],
+                "PLUGINS": ["quarto"],
+            }
+        )
+        pelican = Pelican(settings=settings)
+        pelican.run()
+
+        articles = os.listdir(output_path)
+        assert f"{TESTFILE_NAME}.html" in articles, "An article should have been written"
+
+        filepath = output_path / f"{TESTFILE_NAME}.html"
+        with open(filepath, "r", encoding="utf-8") as f:
+            html_content = f.read()
+
+        soup = BeautifulSoup(html_content, "html.parser")
+
+        contents = os.listdir(content_path)
+        assert "_quarto.yml" in contents, "A quarto config file should have been prepared"
+
+        script_tags = soup.find_all("script")
+        link_tags = soup.find_all("link")
+
+        # check if body contains Quarto content
+        body = soup.find("body")
+        assert body is not None, "The body of the HTML should exist"
+        quarto_script = body.find("script", id="quarto-html-after-body")
+        assert quarto_script is not None, "Quarto-specific script not found in body"
+
+        assert any("site_lib" in script.get("src", "") for script in script_tags), "No script link to site_lib found in header"
+        assert any("site_lib" in link.get("href", "") for link in link_tags), "No link to site_lib found in header"