[Test] Make the retrieval of flexible instance types more resilient to prevent test failures.#7448

gmarciani merged 2 commits into

aws:developaws/aws-parallelcluster:developfrom

gmarciani:wip/mgiacomo/3160/fix-test-dfsm-0612-1gmarciani/aws-parallelcluster:wip/mgiacomo/3160/fix-test-dfsm-0612-1Copy head branch name to clipboard