Adds additional context to error messages for pools and workflows integration test. (#7137)

Author: beqqrry-aws

javascriptv3/example_code/cross-services/wkflw-pools-triggers/tests/scenario-auto-confirm.integration.test.js

@@ -42,7 +42,9 @@ describe("Scenario - AutoConfirm", () => {
  );
  const stack = Stacks[0];
  if (stack.StackStatus !== "CREATE_COMPLETE") {
- throw new Error("Stack creation incomplete.");
+ throw new Error(
+ `Stack creation incomplete. STATUS: ${stack.StackStatus}`,
+ );
  }
  },
  );