@Test
    public void testIdentity1() throws ParseException {
        Tensor x = evaluate("random(d0[2],d1[3],d2[4])");
        assertEval("identity", x, x);
    }
Unit tests for ONNX operators. The number on the test reflects the minimum
opset number for the operations tested.

@author lesters
model-integration/src/test/java/ai/vespa/rankingexpression/importer/onnx/OnnxOperationsTestCase.java