Fix memory leak in tests

test_tcp_server had a memory leak by not deleting manually allocated clients.

tests/test_tcp_server.cpp

@@ -31,6 +31,7 @@
 #include <gtest/gtest.h>
 #include <condition_variable>
 #include <chrono>
+#include <memory>
 
 #include <ur_client_library/comm/tcp_server.h>
 #include <ur_client_library/comm/tcp_socket.h>
@@ -225,13 +226,12 @@ TEST_F(TCPServerTest, unlimited_clients_allowed)
  server.start();
 
  // Test that a large number of clients can connect to the server
- std::vector<Client*> clients;
- Client* client;
+ std::vector<std::unique_ptr<Client>> clients;
+ std::unique_ptr<Client> client;
  for (unsigned int i = 0; i < 100; ++i)
  {
- client = new Client(port_);
+ clients.push_back(std::make_unique<Client>(port_));
  ASSERT_TRUE(waitForConnectionCallback());
- clients.push_back(client);
  }
 }