add test for clearing selection and searchQuery
add test for clearing selection and searchQuery

Fabriquartz/ember-railio-form-components,cbroeren/ember-railio-form-components,Fabriquartz/ember-railio-form-components,martndemus/ember-railio-form-components,dunnkers/ember-railio-form-components,martndemus/ember-railio-form-components,cbroeren/ember-railio-form-components,dunnkers/ember-railio-form-components