KeyValueServiceValidators { @VisibleForTesting static boolean isSweepTableReference(TableReference tableReference) { return tableReference.getNamespace().equals(SweepSchema.INSTANCE.getNamespace()); } private  KeyValueServiceValidators(); static Set<TableReference> getValidatableTableNames(
            KeyValueService kvs,
            Set<TableReference> unmigratableTables);  }
@Test public void sweepPriorityTableIsASweepTable() { assertThat(KeyValueServiceValidators.isSweepTableReference(SWEEP_PRIORITY)).isTrue(); }
@Test public void otherPriorityTableIsNotASweepTable() { assertThat(KeyValueServiceValidators.isSweepTableReference(OTHER_PRIORITY)).isFalse(); }