[selectors] Fix leaks on focus-visible-{007,013}.html tests

These tests are using test_driver.click() which has a known issue,
see bug #1164600. This is a similar fix to r841432 that fixed leaks
in other :focus-visible tests.

Bug: 976438
Change-Id: I3a17fcccf8d8c01f2259b965f63df3d4ff521bad
Cq-Include-Trybots: luci.chromium.try:layout_test_leak_detection,leak_detection_linux
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2648468
Reviewed-by: Javier Fernandez <jfernandez@igalia.com>
Commit-Queue: Manuel Rego <rego@igalia.com>
Cr-Commit-Position: refs/heads/master@{#847122}

css/selectors/focus-visible-007.html

@@ -42,6 +42,8 @@
 
   <div id="one" tabindex="0">Click me.</div>
   <script>
+    setup({ explicit_done: true });
+
     document.body.addEventListener("keydown", (e) => {
       delete document.body.dataset.hadmousedown;
       document.body.dataset.hadkeydown = "";
@@ -75,7 +77,7 @@
       });
 
       one.addEventListener("focus", handle_initial_focus);
-      test_driver.click(one);
+      test_driver.click(one).then(() => done());
     }, "Using keyboard while element is focused should trigger :focus-visible; using mouse without moving focus should not cancel it; moving focus using mouse should cancel it.");
   </script>
 </body>

css/selectors/focus-visible-013.html

@@ -44,10 +44,12 @@
 <div id="target" tabindex="0">Target</div>
 
 <script>
+  setup({ explicit_done: true });
+
   async_test(function(t) {
     initial.addEventListener("focus", t.step_func(function() {
       assert_equals(getComputedStyle(initial).outlineColor, "rgb(0, 128, 0)", `outlineColor for ${initial.tagName}#${initial.id} should be green`);
-      test_driver.click(target);
+      test_driver.click(target).then(() => done());
     }));
 
     target.addEventListener("focus", t.step_func_done(function() {