Bug 1317386 - Check pointer interactability upon interaction; r=automatedtester

Checking for general interactability will also consider keyboard
interactability, which has not yet been implemented.  On interacting with
an element by clicking, we should only test for pointer interactability.

MozReview-Commit-ID: BUCs7zHppRm

--HG--
extra : rebase_source : 2053a49ee4bcb291299568902e9ac25cc747bc5e

testing/marionette/interaction.js

@@ -122,10 +122,10 @@ interaction.clickElement = function*(el, strict = false, specCompat = false) {
 
   let interactable = false;
   if (specCompat) {
-    if (!element.isInteractable(visibilityCheckEl)) {
-      el.scrollIntoView(false);
+    if (!element.isPointerInteractable(visibilityCheckEl)) {
+      element.scrollIntoView(el);
     }
-    interactable = element.isInteractable(visibilityCheckEl);
+    interactable = element.isPointerInteractable(visibilityCheckEl);
   } else {
     interactable = element.isVisible(visibilityCheckEl);
   }