describe('(test: (target?: Object, key?: string|symbol) => boolean, decorator: PropertyDecorator): PropertyDecorator', () => {
      it('decorates if test function returns true', () => {
        assert(spy3.callCount === 1);
        assert(spy3.getCall(0).args[0] === TargetClass2.prototype);
        assert(spy3.getCall(0).args[1] === 'name');