Add: test_netmon_daemon: daemon shutdown handling, timeout, error logging.

Author: humanauction

tests/integration/test_netmon_daemon.cpp

@@ -80,9 +80,22 @@ class NetMonDaemonTest : public ::testing::Test {
         if (daemon) {
             daemon->stop();
         }
+
+        auto start = std::chrono::steady_clock::now();
+        while (daemon->isRunning()) {
+            std::this_thread::sleep_for(std::chrono::milliseconds(100));
+            auto elapsed = std::chrono::steady_clock::now() - start;
+            if (elapsed > std::chrono::seconds(5)) {
+                std::cerr << "ERROR: Daemon did not stop within expected time. Forcing shutdown." << std::endl;
+                break;
+            }
+        }
+
         if (daemon_thread.joinable()) {
             daemon_thread.join();
         }
+
+        daemon.reset();
     }
 
     // PER-TEST SETUP: only resets session token