Add tests.toml file for grains exercise

exercism / scala

Exercism exercises in Scala.

https://exercism.org/tracks/scala

MIT License

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Add tests.toml file for grains exercise #642

Closed ErikSchierboom closed 3 years ago

ErikSchierboom commented 3 years ago

Last week, we sent a PR in which tests.toml file were added for all exercises that have canonical data. Due to an issue, the grains exercise's tests.toml file was not included. This PR adds the tests.toml file for the grains exercise.