AwaitCondition + HttpRequest + CookieSet plugin = request gets poluted with cookies

[mike-hmelov]

1. set await condition (ex: And should wait at most 5 m with interval 10 s until property "available" equal to "true")
2. define a request
3. implement some some plugin which sets cookie for a request (like

public void beforeRequest(RequestSpecification requestSpecification) {
this.requestFacade.cookie(name, value);

)

Observed: on each await invoke request gets through plugin change and cookie is added (even if it is already there)
as a result request looks like this:
Request URI: https://someurl/process/54459/availabilityStatus
Headers: Accept=/
Cookies: LtpaToken2=YQwORP8IO8tsS***
LtpaToken2=YQwORP8IO8tsS***
LtpaToken2=YQwORP8IO8tsS***
LtpaToken2=YQwORP8IO8tsS***
LtpaToken2=YQwORP8IO8tsS***
....
Expected: RequestSpecification is cleared/reinitiated before/after each iteration of AwaitCondition