Testing codecov integration

This commit introduces non-covered code.
Should clearly trigger codecov message.

Author: dkrotx

.github/workflows/codecov.yml

@@ -11,7 +11,7 @@ jobs:
       - name: Install dependencies, run tests, and collect coverage
         run: docker compose -f docker/buildkite/docker-compose.yaml run unit-test-test-service
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5.6
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
           slug: cadence-workflow/cadence-java-client

src/main/java/com/uber/cadence/internal/common/WorkflowExecutionUtils.java

@@ -773,6 +773,7 @@ private static String prettyPrintJson(String jsonValue, String stackIndentation)
       Gson gson = new GsonBuilder().setPrettyPrinting().create();
       return gson.toJson(json);
     } catch (Exception e) {
+      System.err.println("Error parsing JSON: " + jsonValue);
       return jsonValue;
     }
   }