Do not use direct configuration changes in LanguageNegotiationSessionTest

Change looks good. Maybe could be a task but will leave as bug.

+++ b/core/modules/language/tests/src/Functional/LanguageNegotiationSessionTest.php
@@ -51,24 +46,15 @@ protected function setUp(): void {
-    $config->set('negotiation.language_interface.method_weights', [
-      'language-user-admin' => -10,
-      LanguageNegotiationUrl::METHOD_ID => -8,
-      LanguageNegotiationSession::METHOD_ID => -6,
-      'language-user' => -4,
-      LanguageNegotiationBrowser::METHOD_ID => -2,
-      LanguageNegotiationSelected::METHOD_ID => 12,
-    ]);
-    $config->save();
+    $this->drupalGet('admin/config/regional/language/detection');
+    $edit = [
+      'language_interface[enabled][language-session]' => 1,
+      'language_interface[enabled][language-selected]' => 1,
+      'language_interface[weight][language-session]' => -6,
+      'language_interface[weight][language-selected]' => 12,

can you elaborate why we're only setting some of the values now?

@larowlan I added only these which change, not the unchanged.

@sleitner ah, thanks, feel free to re-rtbc then

Queued tests on 10.0.x and 9.5.x

Committed to 10.1.x

Backported to 10.0.x and 9.5.x for consistency

Automatically closed - issue fixed for 2 weeks with no activity.