[css-contain-2] Test coverage

Author: frivoal

css-contain-2/Overview.bs

@@ -2597,4 +2597,33 @@ container-queries/unsupported-axis.html
 container-queries/viewport-units-dynamic.html
 container-queries/viewport-units.html
 container-queries/whitespace-update-after-removal.html
+container-queries/at-container-style-parsing.html
+container-queries/container-selection-unknown-features.html
+container-queries/container-units-content-box.html
+container-queries/container-units-rule-cache.html
+container-queries/container-units-sharing-via-rule-node.html
+container-queries/crashtests/chrome-bug-1429955-crash.html
+container-queries/crashtests/chrome-bug-1505250-crash.html
+container-queries/crashtests/chrome-custom-highlight-crash.html
+container-queries/crashtests/dialog-backdrop-crash.html
+container-queries/crashtests/mathml-container-type-crash.html
+container-queries/crashtests/remove-dom-child-change-style.html
+container-queries/crashtests/size-change-during-transition-crash.html
+container-queries/dialog-backdrop-create.html
+container-queries/dialog-backdrop-remove.html
+container-queries/display-contents-dynamic-style-queries.html
+container-queries/inheritance-from-container.html
+container-queries/nested-size-style-container-invalidation.html
+container-queries/pseudo-elements-002b.html
+container-queries/pseudo-elements-009.html
+container-queries/pseudo-elements-010.html
+container-queries/pseudo-elements-011.html
+container-queries/pseudo-elements-012.html
+container-queries/pseudo-elements-013.html
+container-queries/query-evaluation-style.html
+container-queries/registered-color-style-queries.html
+container-queries/size-container-with-quotes.html
+container-queries/style-container-for-shadow-dom.html
+container-queries/style-container-invalidation-inheritance.html
+container-queries/style-query-with-unknown-width.html
 </wpt>