docstr: a value error should be raised if not all percentile split points <= 1
code: def test_percentile_leq_1(self):
      """a value error should be raised if not all percentile split points <= 1"""
  
      Discretiser(
          method="percentiles", percentile_split_points=[0.0001, 1]
      )
      with pytest.raises(
          ValueError,
          match="percentile_split_points must be between 0 and 1",
      ):
          Discretiser(
              method="percentiles",
              percentile_split_points=[0.0001, 1.0000001],
          )
  
imports: import math
  import numpy
  import pytest
  from causalnex.discretiser import Discretiser
label_desc: Use image node_id 11 for calling the TestErrorHandling obj's underlying member method code with example usage: obj.test_percentile_leq_1() without return types