private static Path createTemporaryFile() throws IOException {
    Path tempDir = Files.createTempDirectory("AccountStatsMySqlStoreTest");
    return tempDir.resolve("localbackup");
  }
Test methods to store and fetch partition class, partition name partition id and partition class storage stats.
@throws Exception
ambry-mysql/src/integration-test/java/com/github/ambry/accountstats/AccountStatsMySqlStoreIntegrationTest.java