Revert "Temporarily disable tests to unblock release"

This reverts commit 2f6131a.

Author: carlcsaposs-canonical

.github/workflows/ci.yaml

@@ -25,6 +25,41 @@ on:
         value: ${{ jobs.build.outputs.artifact-prefix }}
 
 jobs:
+  lint:
+    name: Lint
+    uses: canonical/data-platform-workflows/.github/workflows/[email protected]
+
+  unit-test:
+    name: Unit test charm
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install tox & poetry
+        run: |
+          pipx install tox
+          pipx install poetry
+      - name: Run tests
+        run: tox run -e unit
+      - name: Upload Coverage to Codecov
+        uses: codecov/codecov-action@v5
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+
   build:
     name: Build charm
     uses: canonical/data-platform-workflows/.github/workflows/[email protected]
+
+  integration-test:
+    name: Integration test charm
+    needs:
+      - lint
+      - unit-test
+      - build
+    uses: ./.github/workflows/integration_test.yaml
+    with:
+      artifact-prefix: ${{ needs.build.outputs.artifact-prefix }}
+    secrets: inherit
+    permissions:
+      contents: write  # Needed for Allure Report