Try to make test case more deterministic

test/ri_during_startup/regression.py

@@ -12,8 +12,8 @@ expected = [
     "[MASTER] Set timer and call Slave during init",
     "[TASTE] Initialization completed for function master",
     "[slave] Startup",
-    "[TASTE] Initialization completed for function slave"],
-    "[slave] I am free? Really? I don't believe it",
+    "[TASTE] Initialization completed for function slave",
+    "[slave] I am free? Really? I don't believe it"],
     "[MASTER] Timer expired, Slave did not answer within 1 sec (as expected)",
     "[MASTER] Trying again",
     "[slave] Second call, I say thank you",