Avoid deadlock in test when sharing process group

debian/patches/0003-Avoid-deadlock-in-test-when-sharing-process-group.patch

+From: Robin Gustafsson <robin@rgson.se>
+Date: Sun, 22 Mar 2020 15:44:15 +0100
+Subject: Avoid deadlock in test when sharing process group
+
+This test will wait for all other processes in the process group to
+exit. This causes a deadlock when the tests themselves are running in a
+subprocess (e.g. by autopkgtest).
+
+Forwarded: https://github.com/laravel/framework/pull/32067
+---
+ tests/Filesystem/FilesystemTest.php | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/tests/Filesystem/FilesystemTest.php b/tests/Filesystem/FilesystemTest.php
+index 176434e..943a989 100755
+--- a/tests/Filesystem/FilesystemTest.php
++++ b/tests/Filesystem/FilesystemTest.php
+@@ -448,6 +448,8 @@ class FilesystemTest extends TestCase
+         $content = str_repeat('123456', 1000000);
+         $result = 1;
+ 
++        posix_setpgid(0, 0);
++
+         for ($i = 1; $i <= 20; $i++) {
+             $pid = pcntl_fork();
+ 

debian/patches/series

 0001-Test-against-installed-version.patch
 0002-Load-test-dependencies.patch
+0003-Avoid-deadlock-in-test-when-sharing-process-group.patch