public static Read read() {
    return Read.create();
  }
@Test
  public void testReadValidationFailsMissingInstanceId() {
    BigtableIO.Read read =
        BigtableIO.read()
            .withTableId("table")
            .withProjectId("project")
            .withBigtableOptions(BigtableOptions.builder().build());

    thrown.expect(IllegalArgumentException.class);

    read.expand(null);
  }