code: def test_viewer_load_np_data(self):
      viewer = PerspectiveViewer()
      viewer.load({"a": np.arange(1, 100)})
      assert viewer.columns == ["a"]
      assert viewer.table.size() == 99
  
imports: import numpy
  import pandas
  from perspective import PerspectiveViewer, Table
label_desc: Use image node_id 11 for calling the TestViewer obj's underlying member method code with example usage: obj.test_viewer_load_np_data() without return types