test(satp-hermes): create tests for the config validators

[LordKubaya]

Create unit tests for the validate functions in the path: ./packages/cactus-plugin-satp-hermes/src/main/typescript/services/validation

[AndreAugusto11]

Use this test as a base: https://github.com/hyperledger-cacti/cacti/blob/satp-dev/packages/cactus-plugin-satp-hermes/src/test/typescript/unit/cli-validation.test.ts