@Test
    public void missing_routing_object_makes_it_null() throws IOException {
        // Read file that was taken from production (real -life example that is)
        String filename = getClass().getClassLoader().getResource("yamas-array-no-routing.json").getFile();
        BufferedReader reader = Files.newBufferedReader(Paths.get(filename));
        YamasJsonModel jsonModel = objectMapper().readValue(reader, YamasJsonModel.class);

        // Do some sanity checking
        assertNull(jsonModel.routing);
    }
Tests for YamasJsonModel and YamasArrayJsonModel

@author smorgrav
@author gjoranv
metrics-proxy/src/test/java/ai/vespa/metricsproxy/metric/model/json/YamasJsonModelTest.java