test(tooltip): add 'tooltipClass' change test
test(tooltip): add 'tooltipClass' change test

benouat/ng-bootstrap,fbasso/ng-bootstrap,fbasso/ng-bootstrap,jnizet/ng-bootstrap,jnizet/ng-bootstrap,fbasso/ng-bootstrap,ng-bootstrap/ng-bootstrap,maxokorokov/core,benouat/ng-bootstrap,jnizet/ng-bootstrap,benouat/ng-bootstrap,fbasso/ng-bootstrap,ng-bootstrap/ng-bootstrap,maxokorokov/core,ng-bootstrap/ng-bootstrap,ng-bootstrap/ng-bootstrap,maxokorokov/core,maxokorokov/core,jnizet/ng-bootstrap,benouat/ng-bootstrap