testRywLifetime fails below API version 630

fdbserver/workloads/SpecialKeySpaceCorrectness.actor.cpp

@@ -119,6 +119,10 @@ struct SpecialKeySpaceCorrectnessWorkload : TestWorkload {
 		Future<Void> f;
 		{
 			ReadYourWritesTransaction ryw{ cx->clone() };
+			if(!ryw->getDatabase()->apiVersionAtLeast(630)) {
+				//This test is not valid for API versions smaller than 630
+				return;
+			}
 			f = success(ryw.get(LiteralStringRef("\xff\xff/status/json")));
 			TEST(!f.isReady());
 		}