`tests/util`: Small Refactor/Fixes of `UCommand` and add method to run a `UCommand` in a shell platform independently#4293

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tertsdiepraam merged 3 commits intouutils:mainfrom

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Feb 21, 2023

Commits on Feb 17, 2023

tests/util: Bump rlimit version to 0.9.1 to be able to use `prlimit` on android
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tests/util: Restructure UCommand to run in shell per default. Introduce constant TESTS_BINARY.
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Commits on Feb 18, 2023

tests/util: Refactor UCommand and TestScenario.
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