private void validateUpdateUsersTable(Capture<DBAccessor.DBColumnInfo> updateUserTableCaptures, Capture<DBAccessor.DBColumnInfo> alterUserTableCaptures) {
    Assert.assertTrue(updateUserTableCaptures.hasCaptured());
    validateColumns(updateUserTableCaptures.getValues(),
        Arrays.asList(
            new DBAccessor.DBColumnInfo(USERS_CONSECUTIVE_FAILURES_COLUMN, Integer.class, null, 0, false),
            new DBAccessor.DBColumnInfo(USERS_DISPLAY_NAME_COLUMN, String.class, 255, null, true),
            new DBAccessor.DBColumnInfo(USERS_LOCAL_USERNAME_COLUMN, String.class, 255, null, true),
            new DBAccessor.DBColumnInfo(USERS_VERSION_COLUMN, Long.class, null, 0, false)
        )
    );

    Assert.assertTrue(alterUserTableCaptures.hasCaptured());
    validateColumns(alterUserTableCaptures.getValues(),
        Arrays.asList(
            new DBAccessor.DBColumnInfo(USERS_DISPLAY_NAME_COLUMN, String.class, 255, null, false),
            new DBAccessor.DBColumnInfo(USERS_LOCAL_USERNAME_COLUMN, String.class, 255, null, false)
        )
    );
  }
@return sample JSON data from repo_version data (no repositories defined) where 'OperatingSystems/ambari_managed_repositories' is missing
ambari-server/src/test/java/org/apache/ambari/server/upgrade/UpgradeCatalog270Test.java