test: giving steroids to the test suite 💪 (#122)

* purely test suite on steroids

* verify stuff

* more fun verifies

* ok ok ok I'm done

* extend timeout and consolidate to constant for easier usage across tests

* PR feedback :)
Remove warnings by adding transform regex to `ts-jest` and `testMatch`.

* cleanup

* cleanup

* PR feedback & converting `export function` to `export const` in `util.ts`

jest.config.js

@@ -3,13 +3,14 @@ module.exports = {
   preset: 'ts-jest',
   testEnvironment: 'node',
   transform: {
-    '.': [
+    '^.+\\.ts?$': [
       'ts-jest',
       {
-        tsconfig: 'tsconfig.jest.json'
-      }
-    ]
+        tsconfig: 'tsconfig.jest.json',
+      },
+    ],
   },
+  testMatch: ['<rootDir>/test/**/*.spec.ts'],
   globalSetup: './jest.setup.ts',
   testTimeout: 10000,
-};
+};