writer := &AtomicWriter{targetDir: targetDir, logContext: "-test-"}

		for _, payload := range tc.payloads {
			writer.Write(payload, nil)

			checkVolumeContents(targetDir, tc.name, payload, t)
		}
	}
}

func checkVolumeContents(targetDir, tcName string, payload map[string]FileProjection, t *testing.T) {
	dataDirPath := filepath.Join(targetDir, dataDirName)