[css-text-3] update test coverage

Author: frivoal

css-text-3/Overview.bs

@@ -719,6 +719,7 @@ Text Processing</h3>
 
       <wpt>
         white-space/white-space-wrap-after-nowrap-001.html
+        white-space/nowrap-wbr-and-space-crash.html
       </wpt>
       <wpt pathprefix="/css/CSS2/text/">
         white-space-nowrap-001.xht