Telerik: in our latest release R3 2015 this problem is gone when selecting the test it gets active and close button is accessible.
ADMIN
Daniel Djambov
Posted on:21 Jul 2015 07:55
Telerik: this behavior is common for the tab control and when resizing panes - if you click twice or double click on the test with long name, then it should resize correctly and work fine. Please confirm the following behavior is working for you and you are able to clos the test tab.