TEST: simplify conftest.py to only feature/29 scope

Remove MkDocs build fixtures (docs_dir, build_site) that belong to
feature/28 (show_footer). Admonition tests only read CSS files directly
and require no fixtures.

Refs #29

Author: FernandoCelmer

tests/conftest.py

@@ -1,40 +1,5 @@
-import textwrap
-import pytest
 from pathlib import Path
 
-
 THEME_DIR = Path(__file__).parent.parent / "mkdocs_dracula_theme"
 CSS_SOURCE = Path(__file__).parent.parent / "template" / "assets" / "css" / "mkdocs.css"
 CSS_MIN = THEME_DIR / "assets" / "css" / "mkdocs.min.css"
-
-
-@pytest.fixture()
-def docs_dir(tmp_path):
-    d = tmp_path / "docs"
-    d.mkdir()
-    (d / "index.md").write_text("# Home\nHello world.\n")
-    return d
-
-
-@pytest.fixture()
-def build_site(tmp_path, docs_dir):
-    """Factory: build a minimal MkDocs site and return the index.html content."""
-    from mkdocs.config import load_config
-    from mkdocs.commands.build import build
-
-    def _build(extra_theme_config: str = "") -> str:
-        config_text = textwrap.dedent(f"""
-            site_name: Test Site
-            docs_dir: {docs_dir}
-            site_dir: {tmp_path / "site"}
-            theme:
-              name: dracula
-              {extra_theme_config}
-        """)
-        cfg_path = tmp_path / "mkdocs.yml"
-        cfg_path.write_text(config_text)
-        cfg = load_config(str(cfg_path))
-        build(cfg)
-        return (tmp_path / "site" / "index.html").read_text()
-
-    return _build