Attempt to fix CI specific failure.

test/lib/cpp/02-subscribe-qos1-async2.cpp

@@ -51,6 +51,7 @@ int main(int argc, char *argv[])
 {
 	struct mosquittopp_test *mosq;
 	int rc;
+	struct timespec tv = { 0, (long)100e6 };
 
 	assert(argc == 2);
 	int port = atoi(argv[1]);
@@ -59,6 +60,9 @@ int main(int argc, char *argv[])
 
 	mosq = new mosquittopp_test("subscribe-qos1-test");
 
+	/* Help with possible race condition on CI */
+	nanosleep(&tv, NULL);
+
 	rc = mosq->connect_async("localhost", port, 60, NULL);
 	if(rc){
 		printf("connect_async failed: %s\n", mosquitto_strerror(rc));
@@ -72,7 +76,7 @@ int main(int argc, char *argv[])
 	}
 
 	/* 50 millis to be system polite */
-	struct timespec tv = { 0, (long)50e6 };
+	tv.tv_nsec = (long)50e6;
 	while(should_run){
 		nanosleep(&tv, NULL);
 	}