diff --git a/tests/test_md2doc_renderers.py b/tests/test_md2doc_renderers.py
index 1944831..6f1e78f 100644
--- a/tests/test_md2doc_renderers.py
+++ b/tests/test_md2doc_renderers.py
@@ -27,8 +27,9 @@ def test_render_h1_uses_heading1_style_and_text():
     node = BeautifulSoup("<h1>My Title</h1>", "html.parser").find("h1")
     _render_heading(doc, node, level=1, style=style)
     root = get_doc_xml(doc)
-    pStyles = [p.text for p in root.iter(f"{{{W_NS}}}pStyle")]
-    assert "Heading1" in pStyles
+    # pStyle is an attribute, not text content
+    pStyle_vals = [p.get(f"{{{W_NS}}}val") for p in root.iter(f"{{{W_NS}}}pStyle")]
+    assert "Heading1" in pStyle_vals
     texts = [t.text for t in root.iter(f"{{{W_NS}}}t")]
     assert "My Title" in texts
 
@@ -44,13 +45,13 @@ def test_render_h1_has_bottom_border():
 
 
 def test_render_h1_applies_style_heading_color():
-    """Heading color should come from STYLES[style]['heading_color']."""
+    """Heading color should come from STYLES[style]['heading_color'] (case-insensitive)."""
     doc = Document()
     style = STYLES["report"]
     node = BeautifulSoup("<h1>Title</h1>", "html.parser").find("h1")
     _render_heading(doc, node, level=1, style=style)
     root = get_doc_xml(doc)
-    colors = [c.get(f"{{{W_NS}}}val") for c in root.iter(f"{{{W_NS}}}color")]
+    colors = [c.get(f"{{{W_NS}}}val").lower() for c in root.iter(f"{{{W_NS}}}color")]
     assert "1e3a8a" in colors, f"expected heading color 1e3a8a from 'report' style, got {colors}"