@Test
public void testStartDefault() {

  byte[] startKey = Bytes.toBytes(START_KEY);
  Scan scan = new Scan().withStartRow(startKey);
  scanAdapter.adapt(scan, throwingReadHooks, query);
  RowSet expected =
      toRowSet(RowRange.newBuilder().setStartKeyClosed(ByteString.copyFrom(startKey)).build());
  Assert.assertEquals(expected, query.toProto(requestContext).getRows());
}