Add `ClearButton` tests
Add `ClearButton` tests

Neophy7e/react-bootstrap-typeahead,Neophy7e/react-bootstrap-typeahead,ericgio/react-bootstrap-typeahead,ericgio/react-bootstrap-typeahead,Neophy7e/react-bootstrap-typeahead,ericgio/react-bootstrap-typeahead,ericgio/react-bootstrap-typeahead