Interop\Async\Loop\Test\LoopTest::executeStackReturnsScopedDriver PHP Method

    public function executeStackReturnsScopedDriver()
    {
        $driver1 = new DummyDriver();
        $driver2 = new DummyDriver();
        Loop::execute(function () use($driver1, $driver2) {
            $this->assertSame($driver1, Loop::get());
            Loop::execute(function () use($driver2) {
                $this->assertSame($driver2, Loop::get());
            }, $driver2);
            $this->assertSame($driver1, Loop::get());
        }, $driver1);
    }