取消https验证，并添加vendor文件夹。

vendor/league/flysystem-cached-adapter/tests/MemcachedTests.php

@@ -0,0 +1,35 @@
+<?php
+
+use League\Flysystem\Cached\Storage\Memcached;
+use PHPUnit\Framework\TestCase;
+
+class MemcachedTests extends TestCase
+{
+    public function testLoadFail()
+    {
+        $client = Mockery::mock('Memcached');
+        $client->shouldReceive('get')->once()->andReturn(false);
+        $cache = new Memcached($client);
+        $cache->load();
+        $this->assertFalse($cache->isComplete('', false));
+    }
+
+    public function testLoadSuccess()
+    {
+        $response = json_encode([[], ['' => true]]);
+        $client = Mockery::mock('Memcached');
+        $client->shouldReceive('get')->once()->andReturn($response);
+        $cache = new Memcached($client);
+        $cache->load();
+        $this->assertTrue($cache->isComplete('', false));
+    }
+
+    public function testSave()
+    {
+        $response = json_encode([[], []]);
+        $client = Mockery::mock('Memcached');
+        $client->shouldReceive('set')->once()->andReturn($response);
+        $cache = new Memcached($client);
+        $cache->save();
+    }
+}