chore(testing-sdk): improve exported types and jsdoc in testing library (#350)

*Issue #, if available:*

*Description of changes:*

The testing library has missing JSDoc, and exposes some internals that
are not necessary.

Also updating the README contents to be more accurate and use correct
terminology.

By submitting this pull request, I confirm that you can use, modify,
copy, and redistribute this contribution, under the terms of your
choice.

Author: anthonyting

README.md

@@ -2,11 +2,11 @@
 
 This repository contains the code for the following 3 packages published to NPM:
 
-* [@aws/durable-execution-sdk-js](https://github.com/aws/aws-durable-execution-sdk-js/tree/main/packages/aws-durable-execution-sdk-js)
-* [@aws/durable-execution-sdk-js-testing](https://github.com/aws/aws-durable-execution-sdk-js/tree/main/packages/aws-durable-execution-sdk-js-testing)
-* [@aws/durable-execution-sdk-js-eslint-plugin](https://github.com/aws/aws-durable-execution-sdk-js/tree/main/packages/aws-durable-execution-sdk-js-eslint-plugin)
+- [@aws/durable-execution-sdk-js](https://github.com/aws/aws-durable-execution-sdk-js/tree/main/packages/aws-durable-execution-sdk-js)
+- [@aws/durable-execution-sdk-js-testing](https://github.com/aws/aws-durable-execution-sdk-js/tree/main/packages/aws-durable-execution-sdk-js-testing)
+- [@aws/durable-execution-sdk-js-eslint-plugin](https://github.com/aws/aws-durable-execution-sdk-js/tree/main/packages/aws-durable-execution-sdk-js-eslint-plugin)
 
-The repository also contains example durable execution located [here](https://github.com/aws/aws-durable-execution-sdk-js/tree/main/packages/aws-durable-execution-sdk-js-examples).
+The repository also contains example durable functions located [here](https://github.com/aws/aws-durable-execution-sdk-js/tree/main/packages/aws-durable-execution-sdk-js-examples).
 
 ## Security
 

packages/aws-durable-execution-sdk-js-eslint-plugin/README.md

@@ -1,6 +1,6 @@
-# @aws/durable-execution-sdk-js-eslint-plugin
+# AWS Durable Execution ESLint Plugin
 
-ESLint plugin for AWS Lambda durable functions best practices.
+ESLint plugin for AWS Durable Execution SDK best practices.
 
 ## Installation
 

packages/aws-durable-execution-sdk-js-examples/src/utils/test-helper.ts

@@ -1,9 +1,10 @@
+import { LambdaClient } from "@aws-sdk/client-lambda";
+import { DurableLambdaHandler } from "@aws/durable-execution-sdk-js";
 import {
   LocalDurableTestRunner,
   CloudDurableTestRunner,
   DurableTestRunner,
   DurableOperation,
-  LocalTestRunnerHandlerFunction,
   InvocationType,
 } from "@aws/durable-execution-sdk-js-testing";
 
@@ -16,7 +17,7 @@ type TestCallback<ResultType> = (
 export interface TestDefinition<ResultType> {
   name: string;
   functionName: string;
-  handler: LocalTestRunnerHandlerFunction;
+  handler: DurableLambdaHandler;
   tests: TestCallback<ResultType>;
   invocationType?: InvocationType;
   localRunnerConfig?: {
@@ -66,9 +67,9 @@ export function createTests<ResultType>(testDef: TestDefinition<ResultType>) {
 
     const runner = new CloudDurableTestRunner<ResultType>({
       functionName,
-      clientConfig: {
+      client: new LambdaClient({
         endpoint: process.env.LAMBDA_ENDPOINT,
-      },
+      }),
       config: {
         invocationType: testDef.invocationType,
       },