f059c7f754
This reverts commit daf3ba426b2558e73ef2742fab1a73c782ef62a6. This is an alternative to 0ba3d429a758cec15545fc11c9d3fd1424c5c5f8, which disables the test outright. Briefly, exercising builders which rely on import-from-derivation can cause Hydra jobsets to time out.
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