@Nullable
      @Override
      public Table apply(@Nullable Table table) {
        LOG.info("Performing injection on table " + table.getTableName());
        if (table.getTableName().equalsIgnoreCase("ptned")){
          injectionPathCalled = true;
          return null;
        } else {
          nonInjectedPathCalled = true;
          return table;
        }
      }
Tests basic operation - creates a db, with 4 tables, 2 ptned and 2 unptned.
Inserts data into one of the ptned tables, and one of the unptned tables,
and verifies that a REPL DUMP followed by a REPL LOAD is able to load it
appropriately. This tests bootstrap behaviour primarily.
itests/hive-unit/src/test/java/org/apache/hadoop/hive/ql/parse/TestReplicationScenarios.java