private WaitState.Builder testWaitForTimestampPath() {
        return waitState().waitFor(timestampPath("$.timestamp"))
                          .transition(next("WaitForSeconds"));
    }
Dummy date so we have a fixed time for comparison.
aws-java-sdk-stepfunctions/src/test/java/com/amazonaws/services/stepfunctions/builder/StepFunctionBuilderIntegrationTest.java