Enable fixed tests in reactive testkit backend (neo4j#1062)

Author: injectives

testkit-backend/src/main/java/neo4j/org/testkit/backend/messages/requests/StartTest.java

@@ -68,7 +68,6 @@ public class StartTest implements TestkitRequest
         REACTIVE_SKIP_PATTERN_TO_REASON.put( "^.*\\.TestAuthorizationV4x1\\..*$", skipMessage );
         REACTIVE_SKIP_PATTERN_TO_REASON.put( "^.*\\.TestAuthorizationV4x3\\..*$", skipMessage );
         REACTIVE_SKIP_PATTERN_TO_REASON.put( "^.*\\.TestNoRoutingAuthorization\\..*$", skipMessage );
-        REACTIVE_SKIP_PATTERN_TO_REASON.put( "^.*\\.TestOptimizations\\..*$", skipMessage );
         REACTIVE_SKIP_PATTERN_TO_REASON.put( "^.*\\.TestDirectConnectionRecvTimeout\\..*$", skipMessage );
         REACTIVE_SKIP_PATTERN_TO_REASON.put( "^.*\\.TestRoutingConnectionRecvTimeout\\..*$", skipMessage );
         REACTIVE_SKIP_PATTERN_TO_REASON.put( "^.*\\.TestRoutingConnectionRecvTimeout\\.test_timeout$", skipMessage );