Also test deprecated interface

tests/test_tcp_socket.cpp

@@ -32,7 +32,11 @@
 #include <chrono>
 #include <condition_variable>
 #include <cstddef>
+#include <ratio>
 
+// This file adds a test for a deprecated function. To avoid a compiler warning in CI (where we want
+// to treat warnings as errors) we suppress the warning inside this file.
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
 #include <ur_client_library/comm/tcp_socket.h>
 #include <ur_client_library/comm/tcp_server.h>
 #include "ur_client_library/types.h"
@@ -357,6 +361,12 @@ TEST_F(TCPSocketTest, connect_non_running_robot)
   EXPECT_LT(elapsed, std::chrono::milliseconds(1500));
 }
 
+TEST_F(TCPSocketTest, test_deprecated_reconnection_time_interface)
+{
+  client_->setReconnectionTime(std::chrono::milliseconds(100));
+  EXPECT_TRUE(client_->setup(2));
+}
+
 int main(int argc, char* argv[])
 {
   ::testing::InitGoogleTest(&argc, argv);