private void assertCompositeHeaderDiffers_AtIndex(
			HTMLDataTypeRepresentation[] diffedRepresentations, int index) {

		List<ValidatableLine> headerLines =
			((CompositeDataTypeHTMLRepresentation) diffedRepresentations[0]).headerContent;
		List<ValidatableLine> otherHeaderLines =
			((CompositeDataTypeHTMLRepresentation) diffedRepresentations[1]).headerContent;
		assertEquals(headerLines.size(), otherHeaderLines.size());

		for (int i = 0; i < headerLines.size(); i++) {
			ValidatableLine textLine = headerLines.get(i);
			ValidatableLine otherTextLine = otherHeaderLines.get(i);
			if (i == index) {
				assertTrue(!textLine.matches(otherTextLine));
			}
			else {
				assertTrue(textLine.matches(otherTextLine));
			}
		}
	}
Test marked as ignored pending HTML rendering fix - see GP-1974
Ghidra/Features/Base/src/test/java/ghidra/app/util/html/HTMLDataTypeRepresentationTest.java