From d40ff07209ba6253691bc3bf17b09a3044e4caf4 Mon Sep 17 00:00:00 2001
From: Oskar Stark <oskarstark@googlemail.com>
Date: Tue, 27 Oct 2020 20:23:56 +0100
Subject: [PATCH] Enhancement: Support Composer 2

---
 src/Test/MakerTestCase.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Test/MakerTestCase.php b/src/Test/MakerTestCase.php
index 7691f405a..be541ecec 100644
--- a/src/Test/MakerTestCase.php
+++ b/src/Test/MakerTestCase.php
@@ -109,7 +109,7 @@ private function hasRequiredDependencyVersions(MakerTestDetails $testDetails, Ma
 
         $installedPackages = json_decode($testEnv->readFile('vendor/composer/installed.json'), true);
         $packageVersions = [];
-        foreach ($installedPackages as $installedPackage) {
+        foreach ($installedPackages['packages'] ?? $installedPackages as $installedPackage) {
             $packageVersions[$installedPackage['name']] = $installedPackage['version_normalized'];
         }