GuzzleHttp\Tests\Psr7\UriTest::testPathStartingWithTwoSlashes PHP Method

    public function testPathStartingWithTwoSlashes()
    {
        $uri = new Uri('http://example.org//path-not-host.com');
        $this->assertSame('//path-not-host.com', $uri->getPath());
        $uri = $uri->withScheme('');
        $this->assertSame('//example.org//path-not-host.com', (string) $uri);
        // This is still valid
        $this->setExpectedException('\\InvalidArgumentException');
        $uri->withHost('');
        // Now it becomes invalid
    }