test_env = os.environ.copy()
test_env["LTTNG_UST_REGISTER_TIMEOUT"] = "-1"
-exit_fast_process = subprocess.Popen(test_path + "exit-fast", stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=test_env)
+exit_fast_process = subprocess.Popen(test_path + "exit-fast", stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL, env=test_env)
exit_fast_process.wait()
print_test_result(exit_fast_process.returncode == 0, current_test, "Test application exited normally")
current_test += 1
-exit_fast_process = subprocess.Popen([test_path + "exit-fast", "suicide"], stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=test_env)
+exit_fast_process = subprocess.Popen([test_path + "exit-fast", "suicide"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL, env=test_env)
exit_fast_process.wait()
stop_session(session_info)