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Asserts - used for getting status - waiting for some action and return
addAssertSuccess createAssertSuccess (EdgeNode, AssertFunction) -creates Assert for Success.
addAssertFail createAssertFail (EdgeNode,AssertFunction) - creates Assert for Fail
AssertFunctions
Gets Value and checks whether this Value is what is expected. If true - createAssertSuccess -returns true , createAssertFail - Fails