[css-text-3] Update test coverage

Author: frivoal

css-text-3/Overview.bs

@@ -3464,7 +3464,6 @@ Breaking Rules for Letters: the 'word-break' property</h3>
 		* effect of word-break:keep-all on NU and AI classes
 		* Symbols that line-break the same way as letters of a particular category are affected the same way as those letters.
 		* does not suppress wbr
-		* Tests for <a href=https://github.com/w3c/csswg-drafts/issues/4765>https://github.com/w3c/csswg-drafts/issues/4765</a>
 		* More tests for “does not affect rules governing the soft wrap opportunities created around punctuation"></wpt>
 
 	<pre class="propdef">
@@ -3620,6 +3619,7 @@ Breaking Rules for Letters: the 'word-break' property</h3>
 			word-break/word-break-normal-tdd-000.html
 			word-break/word-break-normal-th-000.html
 			word-break/word-break-normal-zh-000.html
+			word-break/word-break-normal-ethiopic.html
 			</wpt>
 
 		<dt><dfn>break-all</dfn>
@@ -3689,6 +3689,7 @@ Breaking Rules for Letters: the 'word-break' property</h3>
 			line-break/line-break-normal-hyphens-002.html
 			line-break/line-break-strict-hyphens-002.html
 			word-break/break-boundary-2-chars-002.html
+			word-break/word-break-break-all-ethiopic.html
 			</wpt>
 
 			Note: This value does not affect
@@ -3699,6 +3700,7 @@ Breaking Rules for Letters: the 'word-break' property</h3>
 			<wpt>
 			white-space/break-spaces-before-first-char-011.html
 			white-space/break-spaces-before-first-ideographic-char-011.html
+			word-break/word-break-break-all-ethiopic.html
 			</wpt>
 
 			Note: This option enables the other common behavior for Ethiopic.