private Tensor inputTensor() {
        Tensor.Builder b = Tensor.Builder.of(TensorType.fromSpec("tensor(d0[],d1[784])"));
        for (int i = 0; i < 784; i++)
            b.cell(0.0, 0, i);
        return b.build();
    }
Tests instantiating models from rank-profiles configs.

@author bratseth
model-evaluation/src/test/java/ai/vespa/models/evaluation/MlModelsImportingTest.java