private void verifyInitializeFailure(BlobStore blobStore, StoreErrorCodes expectedErrorCode) {
    try {
      blobStore.initialize();
      fail("Store initialization should have failed");
    } catch (StoreException e) {
      assertEquals("Unexpected StoreErrorCode", expectedErrorCode, e.getErrorCode());
    }
  }
Verifies that {@link BlobStore#start()} fails.
@param blobStore the {@link BlobStore} to start
@param expectedErrorCode the expected {@link StoreErrorCodes} for the failure
ambry-store/src/test/java/com/github/ambry/store/BlobStoreTest.java