Update integration test to use SqsSource

packages/@aws-cdk/aws-pipes-targets-alpha/README.md

@@ -215,10 +215,26 @@ A log group can be used as a target for a pipe. The log will receive the (enrich
 declare const sourceQueue: sqs.Queue;
 declare const targetLogGroup: logs.LogGroup;
 
-const logGroupTarget = new targets.CloudWatchLogsTarget(targetLogGroup, {});
+const logGroupTarget = new targets.CloudWatchLogsTarget(targetLogGroup);
 
 const pipe = new pipes.Pipe(this, 'Pipe', {
-    source: new SomeSource(sourceQueue),
+    source: new SqsSource(sourceQueue),
+    target: logGroupTarget,
+});
+```
+
+The input to the target log group can be transformed:
+
+```ts
+declare const sourceQueue: sqs.Queue;
+declare const targetLogGroup: logs.LogGroup;
+
+const logGroupTarget = new targets.CloudWatchLogsTarget(targetLogGroup, {
+  inputTransformation: pipes.InputTransformation.fromObject({ body: "👀" }),
+}
+
+const pipe = new pipes.Pipe(this, 'Pipe', {
+    source: new SqsSource(sourceQueue),
     target: logGroupTarget,
 });
 ```

packages/@aws-cdk/aws-pipes-targets-alpha/test/integ.cloudwatch-logs.js.snapshot/aws-cdk-pipes-targets-cwl.template.json

@@ -111,7 +111,8 @@
     "TargetParameters": {
      "CloudWatchLogsParameters": {
       "LogStreamName": "Mexico"
-     }
+     },
+     "InputTemplate": "<$.body>"
     }
    }
   }