bucket string
		object string
	}

	bucketName := "bucket"
	testCases := []testCaseType{
		{bucketName, "dir/obj1"},
		{bucketName, "dir/obj2"},
		{bucketName, "obj3"},
		{bucketName, "obj_4"},
	}

	if err = obj.MakeBucket(ctx, bucketName, MakeBucketOptions{}); err != nil {
		t.Fatal(err)
	}

	for _, testCase := range testCases {
		_, err = obj.PutObject(ctx, testCase.bucket, testCase.object,