Do not compute accessible role and name for non-Element nodes in the accessibility locator (#702)

* fix: check for Elements in accessibility and innerText locators

* review comments

* revert inner text changes

Author: OrKoN

index.bs

@@ -3442,21 +3442,25 @@ To <dfn>collect nodes using accessibility attributes</dfn> with given |context n
 
   1. Let |match| be true.
 
-  1. If |selector| [=map/contains=] "<code>role</code>":
+  1. If |context node| implements {{Element}}:
 
-    1. Let |role| be the [=computed role=] of |context node|.
+    1. If |selector| [=map/contains=] "<code>role</code>":
 
-    1. If |selector|["<code>role</code>"] [=is|is not=] |role|:
+      1. Let |role| be the [=computed role=] of |context node|.
 
-      1. Set |match| to false.
+      1. If |selector|["<code>role</code>"] [=is|is not=] |role|:
 
-  1. If |selector| [=map/contains=] "<code>name</code>":
+        1. Set |match| to false.
 
-    1. Let |name| be the [=accessible name=] of |context node|.
+    1. If |selector| [=map/contains=] "<code>name</code>":
 
-    1. If |selector|["<code>name</code>"] [=is|is not=] |name|:
+      1. Let |name| be the [=accessible name=] of |context node|.
 
-      1. Set |match| to false.
+      1. If |selector|["<code>name</code>"] [=is|is not=] |name|:
+
+        1. Set |match| to false.
+
+  1. Otherwise, set |match| to false.
 
   1. If |match| is true: