Use level "note" for reveal_type and reveal_locals (#6919)
Tests were fixed using:
- sed -i 's/# E: Revealed type/# N: Revealed type/g' test-data/**/*.test
- sed -i 's/: error: Revealed type/: note: Revealed type/g' test-data/**/*.test
Fixes #6901.
Committer
Guido van Rossum