fix(sdk): resolve ESLint warnings in build process

- Remove unused MAX_POLL_DURATION_MS import from checkpoint test
- Add ESLint disable comments for intentionally skipped tests
- Tests are skipped pending future SDK concurrency features

Author: ParidelPooya

packages/aws-durable-execution-sdk-js-testing/src/test-runner/local/__tests__/integration/invoke.integration.test.ts

@@ -141,6 +141,7 @@ describe("LocalDurableTestRunner Invoke operations integration", () => {
   });
 
   // TODO: handling errors for callback and checkpoint updates
+  // eslint-disable-next-line jest/no-disabled-tests
   it.skip("should fail execution if invoking a function that does not exist", async () => {
     const handler = withDurableExecution(async (_, ctx) => {
       await ctx.invoke("durableOperation", "nonExistentFunction", {

packages/aws-durable-execution-sdk-js-testing/src/test-runner/local/__tests__/integration/local-durable-test-runner.integration.test.ts

@@ -311,6 +311,7 @@ describe("LocalDurableTestRunner Integration", () => {
   });
 
   // enable when language SDK supports concurrent waits
+  // eslint-disable-next-line jest/no-disabled-tests
   it.skip("should prevent scheduled function interference in parallel wait scenario", async () => {
     // This test creates a scenario where multiple wait operations could create
     // scheduled functions that fire while invocations are still active.

packages/aws-durable-execution-sdk-js-testing/src/test-runner/local/__tests__/integration/wait-for-callback-operations.integration.test.ts

@@ -21,6 +21,7 @@ describe("WaitForCallback Operations Integration", () => {
   // Concurrent and Complex Workflow Tests Category
   describe("Concurrent and Complex Workflow Tests", () => {
     // todo: add test when language SDK adds concurrency support
+    // eslint-disable-next-line jest/no-disabled-tests
     it.skip("should handle multiple concurrent waitForCallback operations with different submitters", async () => {
       let callback1Id: string | undefined;
       let callback2Id: string | undefined;

packages/aws-durable-execution-sdk-js/src/utils/checkpoint/checkpoint-central-termination.test.ts

@@ -5,10 +5,7 @@ import { OperationLifecycleState, OperationSubType } from "../../types";
 import { OperationType } from "@aws-sdk/client-lambda";
 import { EventEmitter } from "events";
 import { hashId } from "../step-id-utils/step-id-utils";
-import {
-  CHECKPOINT_TERMINATION_COOLDOWN_MS,
-  MAX_POLL_DURATION_MS,
-} from "../constants/constants";
+import { CHECKPOINT_TERMINATION_COOLDOWN_MS } from "../constants/constants";
 
 jest.mock("../logger/logger");