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* Add tests for loading previously-generated checkpoints
Signed-off-by: Tim Moon <tmoon@nvidia.com>

* Use `NVTE_` prefix for envvar

Review suggestion from @ksivaman
Co-authored-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>
Signed-off-by: Tim Moon <4406448+timmoon10@users.noreply.github.com>

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Signed-off-by: Tim Moon <tmoon@nvidia.com>
Signed-off-by: Tim Moon <4406448+timmoon10@users.noreply.github.com>
Co-authored-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>