@Test
    public void tensor_add_update_without_cells_throws() {
        illegalTensorAddUpdate("Error in 'sparse_tensor': Add update for field 'sparse_tensor' does not contain tensor cells",
                               "sparse_tensor",
                               "{}");
        illegalTensorAddUpdate("Error in 'mixed_tensor': Add update for field 'mixed_tensor' does not contain tensor cells",
                               "mixed_tensor",
                               "{}");
    }
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