[css-contain] test coverage update

Author: frivoal

css-contain-1/Overview.bs

@@ -504,6 +504,12 @@ Size Containment</h3>
 		so properties like 'aspect-ratio' which affect that [=preferred aspect ratio=] directly
 		are honored.
 
+		<wpt pathprefix=css/css-sizing/aspect-ratio/>
+		replaced-element-023.html
+		replaced-element-025.html
+		replaced-element-027.html
+		</wpt>
+
 		<div class=example>
 			Given the following markup and style, the image would be sized to 100px by 100px,
 			as the aspect ratio set by the 'aspect-ratio' property takes effect.

css-contain-2/Overview.bs

@@ -552,6 +552,12 @@ Size Containment</h3>
 		so properties like 'aspect-ratio' which affect that [=preferred aspect ratio=] directly
 		are honored.
 
+		<wpt pathprefix=css/css-sizing/aspect-ratio/>
+		replaced-element-023.html
+		replaced-element-025.html
+		replaced-element-027.html
+		</wpt>
+
 		<div class=example>
 			Given the following markup and style, the image would be sized to 100px by 100px,
 			as the aspect ratio set by the 'aspect-ratio' property takes effect.