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LabVIEW Unit Test Framework: Test Vectors cause VI output to always be 0?

Hello, I'm trying out the Unit Test Framework. I'm struggling to make Test Vectors work correctly.

 

My unit test simply involves 1 VI that takes 2 numeric inputs and outputs their average.

Average.vi.png

 


When I manually set up every single test case and don't use Test Vectors, I get the expected results:

 

Manually entering every test case: The VI's outputs correctly reflect the inputsManually entering every test case: The VI's outputs correctly reflect the inputs


However, when I apply the same inputs using Test Vectors, my VI always outputs 0 no matter what the inputs are:

 

Using test vectors: The VI's outputs are always 0Using test vectors: The VI's outputs are always 0


 

What's going on? (Test files attached -- LabVIEW 2020)

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