fix PIByteArray load/store operators for containers

tests/concurrent/testutil.h

@@ -8,7 +8,7 @@
  * Minimum wait thread start, switch context or another interthread communication action time. Increase it if tests
  * write "Start thread timeout reach!" message. You can reduce it if you want increase test performance.
  */
-const int WAIT_THREAD_TIME_MS = 40;
+const int WAIT_THREAD_TIME_MS = 400;
 
 const int THREAD_COUNT = 5;