[AC-1743] pt. 2.5 ⮕ Fix the unit tests for good (#398)

* Remove uneeded redirects to a tsconfig.spec.json

* Got the tests running again

* Delete webCryptoFunctionService

* Delete unused utils tests

* Add a test workflow

jslib/node/jest.config.js

@@ -1,17 +0,0 @@
-const { pathsToModuleNameMapper } = require("ts-jest");
-
-const { compilerOptions } = require("../shared/tsconfig.libs");
-
-const sharedConfig = require("../shared/jest.config.ts");
-
-/** @type {import('jest').Config} */
-module.exports = {
-  ...sharedConfig,
-  displayName: "libs/node tests",
-  preset: "ts-jest",
-  testEnvironment: "node",
-  setupFilesAfterEnv: ["<rootDir>/test.setup.ts"],
-  moduleNameMapper: pathsToModuleNameMapper(compilerOptions?.paths || {}, {
-    prefix: "<rootDir>/",
-  }),
-};