Update test suite to remove legacy test bootstrapping

composer.json

@@ -14,7 +14,7 @@
         "react/dns": "^1.11",
         "react/event-loop": "^1.4",
         "react/http": "^1.8",
-        "react/promise": "^3 || ^2.10 || ^1.2",
+        "react/promise": "^3 || ^2.10 || ^1.3",
         "react/promise-stream": "^1.6",
         "react/promise-timer": "^1.9",
         "react/socket": "^1.13",
@@ -26,7 +26,6 @@
         "react/async": "^4.2@dev || ^3.2@dev || ^4 || ^3 || ^2",
         "react/dns": "^1.12@dev",
         "react/http": "^1.10@dev",
-        "react/promise": "^3@dev || ^2.10 || ^1.2",
         "react/promise-stream": "^1.7@dev",
         "react/promise-timer": "^1.10@dev",
         "react/socket": "^1.14@dev"

tests/bootstrap.php

@@ -2,7 +2,9 @@
 
 $autoload = require __DIR__ . '/../vendor/autoload.php';
 
-// register all `autoload-dev` paths from React's components
+assert($autoload instanceof Composer\Autoload\ClassLoader);
+
+// register all `autoload-dev` paths from ReactPHP's components
 foreach (glob(__DIR__ . '/../vendor/react/*/composer.json') as $b) {
     $config = json_decode(file_get_contents($b), true);
 
@@ -15,17 +17,3 @@
         }
     }
 }
-
-// load all legacy test bootstrap scripts from React's components
-foreach (glob(__DIR__ . '/../vendor/react/*/tests/bootstrap.php') as $b) {
-    // skip legacy react/promise for now and use manual autoload path from bootstrap config
-    // @link https://github.com/reactphp/promise/blob/1.x/tests/bootstrap.php
-    // @link https://github.com/reactphp/promise/blob/2.x/tests/bootstrap.php
-    if (strpos($b, 'react/promise/tests/bootstrap.php') !== false) {
-        $autoload->add('React\Promise', __DIR__ . '/../vendor/react/promise/tests');
-        $autoload->addPsr4('React\\Promise\\', __DIR__ . '/../vendor/react/promise/tests');
-        continue;
-    }
-
-    include $b;
-}