[V4] Throw error when a plugin is in transition (#17823)

* Throw error when a plugin is in transition
* Add unit tests about plugins in transition

js/tests/visual/tooltip.html

@@ -42,7 +42,26 @@
     <script>
       $(function () {
         $('[data-toggle="tooltip"]').tooltip()
+        testTooltipTransitionError()
       })
+
+      // Should throw an error because tooltip is in transition
+      function testTooltipTransitionError() {
+        var err = false
+        $('#btnOne').on('shown.bs.tooltip', function () {
+          $('#btnOne').tooltip('hide').off('shown.bs.tooltip')
+          if (!err) {
+            alert('No error thrown for : testTooltipTransitionError')
+          }
+        })
+        try {
+          $('#btnOne').tooltip('show').tooltip('hide')
+        }
+        catch (e) {
+          err = true
+          console.error(e.message)
+        }
+      }
     </script>
   </body>
 </html>