@Override
    public String getHttpMethod() {
        return "POST";
    }
Adds the specified service component to the specified service.

@param params - Ambari server connection information.
@param userName - User name.
@param password - Password in clear text.
@param activeUser - Specifies whether the user is active or not.
@param adminUser - Specifies whether the user is an administrator or not.
ambari-funtest/src/test/java/org/apache/ambari/funtest/server/api/user/CreateUserWebRequest.java