@Test
  public void undeleteCornerCasesTest() throws Exception {
    plaintextCluster.startServers();
    ServerTestUtil.undeleteCornerCasesTest(plaintextCluster, PortType.PLAINTEXT, null, null, null, null, null, null,
        notificationSystem, routerProps, testEncryption);
  }
Test some corner cases of undelete
@throws Exception
ambry-server/src/integration-test/java/com/github/ambry/server/ServerPlaintextTest.java