[IMP] web: qunit: remove tooltips after each test

Leftover tooltips may make following tests fail, which isn't what
we want as a test shouldn't impact another one.

X-original-commit: 17a4c72b9a86186c7690bdba5e62ccd64ab2f77a

addons/web/static/tests/helpers/qunit_config.js

@@ -188,6 +188,10 @@ QUnit.on('OdooAfterTestHook', function () {
         }
     }
 
+    for (const tooltip of document.querySelectorAll('.tooltip')) {
+        tooltip.remove();
+    }
+
     // check for leftovers in #qunit-fixture
     var qunitFixture = document.getElementById('qunit-fixture');
     if (qunitFixture.children.length) {