test(tooltip): fixed some tests (#1287)
test(tooltip): fixed some tests (#1287)

* feat(tooltip): add ability for user to define custom events for triggering tooltip displaying

* feat(tooltip): add ability for user to define custom events for triggering tooltip displaying

felixkubli/ng2-bootstrap,valor-software/ngx-bootstrap,imribarr-compit/ng2-bootstrap,imribarr-compit/ng2-bootstrap,buchslava/angular2-bootstrap,IlyaSurmay/ngx-bootstrap-versioning,Le0Michine/ng2-bootstrap,macroorganizm/ng2-bootstrap,macroorganizm/ng2-bootstrap,buchslava/angular2-bootstrap,valor-software/ngx-bootstrap,valor-software/ng2-bootstrap,valor-software/ngx-bootstrap,sublime392/ng2-bootstrap,sublime392/ng2-bootstrap,buchslava/angular2-bootstrap,macroorganizm/ng2-bootstrap,felixkubli/ng2-bootstrap,valor-software/ngx-bootstrap,IlyaSurmay/ngx-bootstrap-versioning,imribarr-compit/ng2-bootstrap,erodriguezh/ngx-bootstrap,valor-software/ng2-bootstrap,Le0Michine/ng2-bootstrap,felixkubli/ng2-bootstrap,sublime392/ng2-bootstrap