The problem is that StartSession returns empty sessionId.
The reason of this behaviour is serialization problem of reply struct. If sessionId is first string of json - it works ok. But IeDriverServer returns it as last param in json, so it not deserialized properly
The problem is that StartSession returns empty sessionId. The reason of this behaviour is serialization problem of reply struct. If sessionId is first string of json - it works ok. But IeDriverServer returns it as last param in json, so it not deserialized properly