private String inputTensor() {
        Tensor.Builder b = Tensor.Builder.of(TensorType.fromSpec("tensor<float>(d0[3])"));
        b.cell(0.1, 0);
        b.cell(0.2, 1);
        b.cell(0.3, 2);
        return URLEncoder.encode(b.build().toString(), StandardCharsets.UTF_8);
    }
Verify that we can create a JDisc (and hence Application) instance capable of doing model evaluation

@author bratseth
application/src/test/java/com/yahoo/application/container/ContainerModelEvaluationTest.java