False positive integration test failures

[schuylermartin45]

rattler-build will fail a dry-run build if environment variables referenced by env.get() are not present.

For our purposes, this is analogous to a false-positive and potentially obfuscates other test failures as this check appears to happen before some other validation checks.

We should find a way to mitigate this issue. At the very least, this issue affects all R recipe files.

[schuylermartin45]

I think we addressed this at one point? I think we might pre-fill some environment variables for the dry-run build? I don't remember at this current time.