Update test coverage info

Author: frivoal

css-text-3/Overview.bs

@@ -1274,6 +1274,10 @@ Order of Operations</h4>
 
     Carriage returns (U+000D) are treated identically to spaces (U+0020) in all respects.
 
+    <wpt>
+      white-space/control-chars-00D.html
+    </wpt>
+
     Note: For HTML documents,
     carriage returns present in the source code
     are converted to line feeds at the parsing stage

css-text-3/test-coverage.html

@@ -133,7 +133,6 @@ <h2 id="white-space-processing-details">4 <a href="https://drafts.csswg.org/css-
 
 <ul>
 	<li>As required by [UNICODE], unsupported Default_ignorable characters must be ignored for rendering.
-	<li>Carriage returns (U+000D) are treated identically to spaces (U+0020) in all respects.
 </ul>
 
 <h3 id="the-white-space-processing-rules">4.1 <a href="https://drafts.csswg.org/css-text-3/#white-space-rules">The White Space Processing Rules</a></h3>