@Test
    public void tensor_modify_update_with_replace_operation_mixed_block_short_form_map() {
        assertTensorModifyUpdate("{{x:a,y:0}:1,{x:a,y:1}:2,{x:a,y:2}:3}", TensorModifyUpdate.Operation.REPLACE, "mixed_tensor",
                                 """
                                 {
                                   "operation": "replace",
                                   "blocks": {
                                     "a": [1,2,3]
                                   }
                                 }""");
    }
Tests parsing of various tensor values set at the root, i.e. no 'cells', 'blocks' or 'values'
document/src/test/java/com/yahoo/document/json/JsonReaderTestCase.java