chore: set proper commits in coverage job

Author: david-luna

.github/workflows/test.yml

@@ -273,10 +273,18 @@ jobs:
         with:
           name: tests-coverage-cache-${{ github.run_number }}-22
           path: .
+      # Note: see comment in the compile job
+      - name: Set base and head commits
+        run: |
+          if [ "${{github.event_name}}" == "push" ]; then
+            echo "NX_BASE=origin/main~1" >> "$GITHUB_ENV"
+            echo "NX_HEAD=origin/main" >> "$GITHUB_ENV"
+          else
+            echo "NX_BASE=origin/main" >> "$GITHUB_ENV"
+            echo "NX_HEAD=HEAD" >> "$GITHUB_ENV"
+          fi
       - name: Merge coverage (Delta)
         run: npm run test-merge-coverage:ci:affected
-      - name: Check coverage
-        run: find . | grep coverage-final
       - name: Report Coverage
         uses: codecov/codecov-action@v5
         env: