public void testCastFromNullablCol() throws Throwable {
RemoteServiceSet serviceSet = RemoteServiceSet.getLocalServiceSet();
try(Drillbit bit = new Drillbit(CONFIG, serviceSet);
DrillClient client = new DrillClient(CONFIG, serviceSet.getCoordinator())) {
bit.run();
client.connect();
List<QueryResultBatch> results = client.runQuery(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL,
Files.toString(FileUtils.getResourceAsFile("/functions/cast/testCastVarCharNull.json"), Charsets.UTF_8).replace("#{TEST_FILE}", "/jsoninput/input1.json"));