[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

.github/workflows/test.yml

@@ -0,0 +1,54 @@
+---
+name: Run tests
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - "main"
+      - "rc"
+      - "hotfix-rc-*"
+  pull_request: {}
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  test:
+    name: Run tests
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+
+      - name: Get Node Version
+        id: retrieve-node-version
+        run: |
+          NODE_NVMRC=$(cat .nvmrc)
+          NODE_VERSION=${NODE_NVMRC/v/''}
+          echo "node_version=$NODE_VERSION" >> $GITHUB_OUTPUT
+
+      - name: Set up Node
+        uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c # v3.6.0
+        with:
+          cache: 'npm'
+          cache-dependency-path: '**/package-lock.json'
+          node-version: ${{ steps.retrieve-node-version.outputs.node_version }}
+
+      - name: Print environment
+        run: |
+          node --version
+          npm --version
+
+      - name: Install Node dependencies
+        run: npm ci
+
+      # We use isolatedModules: true which disables typechecking in tests
+      # Tests in apps/ are typechecked when their app is built, so we just do it here for libs/
+      # See https://bitwarden.atlassian.net/browse/EC-497
+      - name: Run typechecking
+        run: npm run test:types --coverage
+
+      - name: Run tests
+        run: npm run test