test(app): Learn's profile expects the day a GitHub-only account goes

The text for an account that signs in with GitHub alone now names the
deletion 30 days after GitHub's end (f7a3251); Learn's test of its
profile looked for the words before.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>

apps/learn/halkyon_learn_flutter/test/feature/auth/widget/password_set_up_test.dart

@@ -113,10 +113,12 @@ void main() {
     await openProfile(tester);
 
     expect(find.textContaining('Sign-in with GitHub ends on'), findsOneWidget);
-    // Without an address, the account goes at the end (the full reading's
-    // M1).
+    // Without an address, the account goes 30 days after the end (the full
+    // reading's M1, the short reading's day).
     expect(
-      find.textContaining('will be deleted then, unless you set up a password'),
+      find.textContaining(
+        'an account without one is deleted 30 days later, with everything',
+      ),
       findsOneWidget,
     );
     expect(find.text('Set up a password'), findsOneWidget);