@Test
public void adapt_oneRow_hasNoMatchingLabels() throws IOException {

  Result expectedResult =
      Result.create(
          ImmutableList.<Cell>of(
              new RowCell(
                  Bytes.toBytes("key"),
                  Bytes.toBytes("family"),
                  Bytes.toBytes("q"),
                  10000L,
                  Bytes.toBytes("value"),
                  ImmutableList.of("a-out"))));
  when(mockBigtableResultScanner.next()).thenReturn(expectedResult);
  ResultScanner scanner = adapter.adapt(mockBigtableResultScanner, mockSpan);
  assertNull(scanner.next());
  verify(mockSpan, times(1)).end();
  verify(mockBigtableResultScanner).next();
}