fix(s3): use client with LocationConstraint region for waiting/deletion

Author: trivikr

features/s3/buckets.feature

@@ -47,10 +47,10 @@ Feature: Working with Buckets
 
   Scenario: Access bucket following 307 redirects
     Given I am using the S3 "us-east-1" region with signatureVersion "s3"
-    When I create a bucket with the location constraint "EU"
-    Then the bucket should exist
-    Then the bucket should have a location constraint of "EU"
-    Then I delete the bucket
+    When I create a bucket with the location constraint "eu-west-1"
+    Then the bucket should exist in region "eu-west-1"
+    Then the bucket should have a location constraint of "eu-west-1"
+    Then I delete the bucket in region "eu-west-1"
 
   Scenario: Working with bucket names that contain '.'
     When I create a bucket with a DNS compatible name that contains a dot

features/s3/step_definitions/buckets.js

@@ -31,16 +31,15 @@ When("I create a bucket with the location constraint {string}", function (locati
     if (err) {
       return callback(err);
     }
-    this.waitForBucketExists(
-      this.s3,
-      {
-        Bucket: bucket,
-      },
-      callback
-    );
+    callback();
   });
 });
 
+Then("the bucket should exist in region {string}", function (location, next) {
+  // Bug: https://github.com/aws/aws-sdk-js-v3/issues/1799
+  this.waitForBucketExists(new S3({ region: location }), { Bucket: this.bucket }, next);
+});
+
 Then("the bucket should have a location constraint of {string}", function (loc, callback) {
   const self = this;
   self.s3.getBucketLocation(
@@ -55,6 +54,11 @@ Then("the bucket should have a location constraint of {string}", function (loc,
   );
 });
 
+When("I delete the bucket in region {string}", function (location, callback) {
+  // Bug: https://github.com/aws/aws-sdk-js-v3/issues/1799
+  this.request(new S3({ region: location }), "deleteBucket", { Bucket: this.bucket }, callback);
+});
+
 When("I put a transition lifecycle configuration on the bucket with prefix {string}", function (prefix, callback) {
   const params = {
     Bucket: this.bucket,