Add packages for tests

Add tests for pluralise

Add tests for addLeadingZeros

Add tests for casting

Add tests for formatting the dates

Add test for number to currency

Add the workflow for running the tests

.github/workflows/tests.yml

@@ -0,0 +1,26 @@
+name: Tests
+
+on: [push, pull_request]
+
+jobs:
+  run-tests:
+    name: Run tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Read node version from .nvmrc
+        id: nvm
+        run: echo "##[set-output name=NVMRC;]$(cat .nvmrc)"
+
+      - name: Setup node
+        uses: actions/setup-node@v1
+        with:
+          node-version: "${{ steps.nvm.outputs.NVMRC }}"
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run tests
+        run: npm test

bin/build-release.sh

@@ -13,6 +13,7 @@ fi
 echo "Starting to build release..."
 echo " "
 echo "This will:"
+echo "- run the test suite"
 echo "- build CCS Frontend into the 'dist/' directory"
 echo "- commit all changes and push the branch to remote"
 echo " "
@@ -24,6 +25,7 @@ if [[ $continue_prompt != 'y' ]]; then
     exit 0
 fi
 
+npm run test
 npm run build
 
 ALL_PACKAGE_VERSION=$(node -p "require('./package.json').version")