it('should support custom activeClass', function() {
        var elm = compileDirective('options-activeClass');
        expect(sandboxEl.find('[bs-collapse-target]:eq(0)').hasClass('in')).toBeFalsy();
        expect(sandboxEl.find('[bs-collapse-target]:eq(0)').hasClass('active')).toBeTruthy();
        sandboxEl.find('[bs-collapse-toggle]:eq(1)').triggerHandler('click');