fix: Fixes and performance improvements in utils package (#331)

.github/workflows/e2e-tests.yml

@@ -33,6 +33,29 @@ jobs:
           name: docker-image
           path: /tmp/docker-image.tar
 
+  test-backend:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: 'backend/go.mod'
+          cache-dependency-path: 'backend/go.sum'
+      - name: Install dependencies
+        working-directory: backend
+        run: |
+          go get ./...
+      - name: Run backend unit tests
+        working-directory: backend
+        run: |
+          go test -v ./... | tee /tmp/TestResults.log
+      - uses: actions/upload-artifact@v4
+        if: always()
+        with:
+          name: backend-unit-tests
+          path: /tmp/TestResults.log
+          retention-days: 15
+
   test-sqlite:
     runs-on: ubuntu-latest
     needs: build