Test suite refactoring to match new htmx HTML swapping in pages

tests/api/admin_dashboard.rs

@@ -21,14 +21,12 @@ async fn logout_clears_session_state() {
     assert_is_redirect_to(&response, "/admin/dashboard");
 
     let html_page = app.get_admin_dashboard_html().await;
-    assert!(html_page.contains(&format!("Welcome {}", app.test_user.username)));
+    assert!(html_page.contains("Connected as"));
+    assert!(html_page.contains(&app.test_user.username));
 
     let response = app.post_logout().await;
     assert_is_redirect_to(&response, "/login");
 
-    let html_page = app.get_login_html().await;
-    assert!(html_page.contains("You have successfully logged out"));
-
     let response = app.get_admin_dashboard().await;
     assert_is_redirect_to(&response, "/login");
 }