Fix up test to use client objects in test fixtures

tests/integration/test_s3.py

@@ -537,18 +537,16 @@ def setUp(self):
         super(TestGetBucketLocationForEUCentral1, self).setUp()
         self.bucket_name = 'botocoretest%s-%s' % (
             int(time.time()), random.randint(1, 1000))
-        endpoint = self.service.get_endpoint('eu-central-1')
-        operation = self.service.get_operation('CreateBucket')
-        response = operation.call(endpoint, bucket=self.bucket_name,
-            create_bucket_configuration={'LocationConstraint': 'eu-central-1'})
-        self.assertEqual(response[0].status_code, 200)
+        client = self.session.create_client('s3', 'eu-central-1')
+        client.create_bucket(Bucket=self.bucket_name,
+                             CreateBucketConfiguration={
+                                 'LocationConstraint': 'eu-central-1',
+                             })
 
     def tearDown(self):
         super(TestGetBucketLocationForEUCentral1, self).tearDown()
-        endpoint = self.service.get_endpoint('eu-central-1')
-        operation = self.service.get_operation('DeleteBucket')
-        response = operation.call(endpoint, bucket=self.bucket_name)
-        self.assertEqual(response[0].status_code, 204)
+        client = self.session.create_client('s3', 'eu-central-1')
+        client.delete_bucket(Bucket=self.bucket_name)
 
     def test_can_get_bucket_location(self):
         # Even though the bucket is in eu-central-1, we should still be able to
@@ -557,7 +555,8 @@ def test_can_get_bucket_location(self):
         # Also keep in mind that while this test is useful, it doesn't test
         # what happens once DNS propogates which is arguably more interesting,
         # as DNS will point us to the eu-central-1 endpoint.
-        response = operation.call(self.endpoint, Bucket=self.bucket_name)
+        us_east_1 = self.service.get_endpoint('us-east-1')
+        response = operation.call(us_east_1, Bucket=self.bucket_name)
         self.assertEqual(response[1]['LocationConstraint'], 'eu-central-1')