test(client-s3): disable checksum calculation and validation in legacy tests

features/s3/step_definitions/buckets.js

@@ -21,6 +21,8 @@ After({ tags: "@buckets" }, function (callback) {
 Given("I am using the S3 {string} region", function (region, callback) {
   this.s3 = new this.S3({
     region: region,
+    requestChecksumCalculation: "WHEN_REQUIRED",
+    responseChecksumValidation: "WHEN_REQUIRED",
   });
   callback();
 });
@@ -235,6 +237,8 @@ When("I create a bucket with a DNS compatible name that contains a dot", functio
 Given("I force path style requests", function (callback) {
   this.s3 = new this.S3({
     forcePathStyle: true,
+    requestChecksumCalculation: "WHEN_REQUIRED",
+    responseChecksumValidation: "WHEN_REQUIRED",
   });
   callback();
 });

features/s3/step_definitions/hooks.js

@@ -4,6 +4,8 @@ Before({ tags: "@s3" }, function (scenario, callback) {
   const { S3 } = require("../../../clients/client-s3");
   this.service = this.s3 = new S3({
     maxRetries: 100,
+    requestChecksumCalculation: "WHEN_REQUIRED",
+    responseChecksumValidation: "WHEN_REQUIRED",
   });
   callback();
 });

features/s3/step_definitions/objects.js

@@ -95,7 +95,7 @@ Then("the object {string} should contain {string}", function (key, contents, nex
 });
 
 Then("the HTTP response should have a content length of {int}", function (contentLength, next) {
-  this.assert.equal(this.data.Body.headers["content-length"], contentLength);
+  this.assert.equal(this.data.ContentLength, contentLength);
   next();
 });