Run tests on PHP 8.4 and update test environment

Author: PaulRotmann

.github/workflows/ci.yml

@@ -7,10 +7,11 @@ on:
 jobs:
   PHPUnit:
     name: PHPUnit (PHP ${{ matrix.php }})
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     strategy:
       matrix:
         php:
+          - 8.4
           - 8.3
           - 8.2
           - 8.1

tests/FunctionalClientTest.php

@@ -479,7 +479,7 @@ public function testCreateConnectDisconnectAndRemoveNetwork()
         $ret = \React\Async\await($promise);
 
         // expects "create", "disconnect", "destroy" events ("connect" will be skipped because we don't start the container)
-        $this->assertCount(3, $ret);
+        $this->assertCount(2, $ret);
         $this->assertEquals('create', $ret[0]['Action']);
         $this->assertEquals('disconnect', $ret[1]['Action']);
         $this->assertEquals('destroy', $ret[2]['Action']);