// Valid object and bucket names but non-existent bucket.
		{bucketName: "abc", objName: "def", uploadID: resN.UploadID, PartID: 1, expectedError: fmt.Errorf("%s", "Bucket not found: abc")},
		// Test Case - 7.
		// Existing bucket, but using a bucket on which NewMultipartUpload is not Initiated.
		{bucketName: "unused-bucket", objName: "def", uploadID: "xyz", PartID: 1, expectedError: fmt.Errorf("%s", "Invalid upload id xyz")},
		// Test Case - 8.