Add a delay in a loop type test step

Question

Hi all,
anyone good with expressions and loop type = custom?
Several lines of code can be eliminated if I can pull off the following:
I have a step that calls a C++ function, as a numeric test
this function fails the first time it is called somewhat reliably
this function will fail without a delay of 500ms between calls
Typically works second time called
so, using the looping tab, Pass 1  out of 3 tries works great, with record result of each iteration OFF, except I need a delay between each call, preferrably also located before the first call
any way to put that delay in the expressions?
Jeff
Solved!
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Answer 1

Hi Jeff,
I didn't realize that you were dealing with proprietary code..  Now I understand the workaround.  
I agree with the above suggestions.
Ideally you would want to clear the buffer before running.
The issue with voting or running a test until pass is that how can you tell when a test is meant to pass or to fail if a failure was detected.  I am thinking of UUT's that have intermettent failures and would slip the occasional PASS.  Also, it is more efficient to run a test once, especially if yo are doing datalogging.
I think the idea of "a loop until PASS or run 3 times and PASS if at least one pass was detecte" is for debugging purposes.  I would not recommend the approach as a production test.
R