@Test
public void testParamListedTwice() throws B2JsonException {

    final B2JsonOptions options = B2JsonOptions.builder().build();
    thrown.expectMessage("com.backblaze.b2.json.B2JsonTest$ConstructorParamListedTwice constructor parameter 'a' listed twice");
    b2Json.fromJson("{}", ConstructorParamListedTwice.class, options);
}