AssetManagerTest\Service\ConcatResolverTest::testSetAggregateResolverFails PHP Method

    public function testSetAggregateResolverFails()
    {
        if (PHP_MAJOR_VERSION >= 7) {
            $this->setExpectedException('\\TypeError');
        }
        $resolver = new ConcatResolver();
        $resolver->setAggregateResolver(new \stdClass());
    }