diff --git a/.github/scripts/random-tests-config.txt b/.github/scripts/random-tests-config.txt
index b5a05ade82ac..7887009dd132 100644
--- a/.github/scripts/random-tests-config.txt
+++ b/.github/scripts/random-tests-config.txt
@@ -14,7 +14,7 @@ Autoloader
 # Cache
 CLI
 # Commands
-# Config
+Config
 Cookie
 # DataCaster
 # DataConverter
@@ -29,7 +29,7 @@ Files
 Format
 # HTTP
 # Helpers
-# Honeypot
+Honeypot
 HotReloader
 # I18n
 # Images
@@ -42,7 +42,7 @@ RESTful
 # Router
 Security
 # Session
-# Test
+Test
 Throttle
 Typography
 # Validation
diff --git a/tests/_support/Test/TestForReflectionHelper.php b/tests/_support/Test/TestForReflectionHelper.php
index b277509aebdf..b354d87b9761 100644
--- a/tests/_support/Test/TestForReflectionHelper.php
+++ b/tests/_support/Test/TestForReflectionHelper.php
@@ -28,6 +28,11 @@ public static function getStaticPrivate()
         return self::$static_private;
     }
 
+    public static function resetStaticPrivate(): void
+    {
+        self::$static_private = 'xyz';
+    }
+
     private function privateMethod($param1, $param2) // @phpstan-ignore method.unused
     {
         return 'private ' . $param1 . $param2;
diff --git a/tests/system/Config/BaseConfigTest.php b/tests/system/Config/BaseConfigTest.php
index 5cc3d1682617..61a25e16aaa8 100644
--- a/tests/system/Config/BaseConfigTest.php
+++ b/tests/system/Config/BaseConfigTest.php
@@ -42,6 +42,7 @@ protected function setUp(): void
     {
         parent::setUp();
 
+        $this->clearLooseEnvironmentOverrides();
         $this->fixturesFolder = __DIR__ . '/fixtures';
 
         if (! class_exists('SimpleConfig', false)) {
@@ -65,12 +66,27 @@ protected function tearDown(): void
     {
         parent::tearDown();
 
+        $this->clearLooseEnvironmentOverrides();
         // This test modifies BaseConfig::$modules, so should reset.
         BaseConfig::reset();
         // This test modifies Services locator, so should reset.
         $this->resetServices();
     }
 
+    private function clearLooseEnvironmentOverrides(): void
+    {
+        foreach ([
+            'SimpleConfig.QZERO',
+            'SimpleConfig.QZEROSTR',
+            'SimpleConfig.QEMPTYSTR',
+            'SimpleConfig.QFALSE',
+        ] as $key) {
+            putenv($key);
+            unset($_ENV[$key]);
+            Services::superglobals()->unsetServer($key);
+        }
+    }
+
     public function testBasicValues(): void
     {
         $dotenv = new DotEnv($this->fixturesFolder, '.env');
diff --git a/tests/system/Config/FactoriesTest.php b/tests/system/Config/FactoriesTest.php
index a3a4303dd3a0..37077c41b1a5 100644
--- a/tests/system/Config/FactoriesTest.php
+++ b/tests/system/Config/FactoriesTest.php
@@ -244,7 +244,7 @@ public function testPrioritizesParameterOptions(): void
     {
         Factories::setOptions('widgets', ['instanceOf' => 'stdClass']);
 
-        $result = Factories::widgets('OtherWidget', ['instanceOf' => null]);
+        $result = Factories::widgets(OtherWidget::class, ['instanceOf' => null]);
         $this->assertInstanceOf(OtherWidget::class, $result);
     }
 
diff --git a/tests/system/Honeypot/HoneypotTest.php b/tests/system/Honeypot/HoneypotTest.php
index 7389f7faea0b..12341f645889 100644
--- a/tests/system/Honeypot/HoneypotTest.php
+++ b/tests/system/Honeypot/HoneypotTest.php
@@ -50,6 +50,8 @@ protected function setUp(): void
     {
         parent::setUp();
 
+        $this->resetServices();
+        Factories::reset('config');
         Services::injectMock('superglobals', new Superglobals());
 
         $this->config   = new HoneypotConfig();
diff --git a/tests/system/Test/FeatureTestTraitTest.php b/tests/system/Test/FeatureTestTraitTest.php
index a5472ddd969d..f36767f7f971 100644
--- a/tests/system/Test/FeatureTestTraitTest.php
+++ b/tests/system/Test/FeatureTestTraitTest.php
@@ -671,6 +671,10 @@ public function testAutoRoutingLegacy(): void
         $config->autoRoute = true;
         Factories::injectMock('config', Routing::class, $config);
 
+        $collection = service('routes');
+        $collection->setAutoRoute(true);
+        $collection->setDefaultNamespace('App\Controllers');
+
         $response = $this->get('home/index');
 
         $response->assertOK();
diff --git a/tests/system/Test/ReflectionHelperTest.php b/tests/system/Test/ReflectionHelperTest.php
index e110a4820422..41eb0d15d9d0 100644
--- a/tests/system/Test/ReflectionHelperTest.php
+++ b/tests/system/Test/ReflectionHelperTest.php
@@ -22,6 +22,13 @@
 #[Group('Others')]
 final class ReflectionHelperTest extends CIUnitTestCase
 {
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        TestForReflectionHelper::resetStaticPrivate();
+    }
+
     public function testGetPrivatePropertyWithObject(): void
     {
         $obj    = new TestForReflectionHelper();