ci: run unit tests (yarn test) on push

The push workflow linted and typechecked but never ran the jest suite, so unit
tests (e.g. FronteggNative bridging) were not enforced in CI. Add a Unit Tests
job that runs `yarn test`.

Author: dianaKhortiuk-frontegg

.github/workflows/onPush.yaml

@@ -29,6 +29,18 @@ jobs:
         run: |
           npm install -g license-checker
           license-checker --failOn "AGPL-1.0-only;AGPL-1.0-or-later;AGPL-3.0-only;AGPL-3.0-or-later;GPL-1.0-only;GPL-1.0-or-later;GPL-2.0-only;GPL-2.0-or-later;GPL-3.0-only;GPL-3.0-or-later;LGPL-2.0-only;LGPL-2.0-or-later;LGPL-2.1-only;LGPL-2.1-or-later;LGPL-3.0-only;LGPL-3.0-or-later;LGPLLR;MPL-1.1"
+  test:
+    name: 'Unit Tests'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup
+        uses: ./.github/actions/setup
+
+      - name: Run unit tests
+        run: yarn test
   build:
     name: 'Build'
     runs-on: ubuntu-latest