code: def test_raises(self):
      psdf = ps.DataFrame(
          {
              "a": [1, 2, 6, 4, 4, 6, 4, 3, 7],
              "b": [4, 2, 7, 3, 3, 1, 1, 1, 2],
          },
          index=[0, 1, 3, 5, 6, 8, 9, 9, 9],
      )
      # test raises with incorrect key
      self.assertRaises(ValueError, lambda: psdf.groupby([]))
      self.assertRaises(KeyError, lambda: psdf.groupby("x"))
      self.assertRaises(KeyError, lambda: psdf.groupby(["a", "x"]))
      self.assertRaises(KeyError, lambda: psdf.groupby("a")["x"])
      self.assertRaises(KeyError, lambda: psdf.groupby("a")["b", "x"])
      self.assertRaises(KeyError, lambda: psdf.groupby("a")[["b", "x"]])
  
file_path: spark/python/pyspark/pandas/tests/groupby/test_raises.py
imports: import unittest
  from pyspark import pandas
  from pyspark.testing.pandasutils import PandasOnSparkTestCase
label_desc: Use image node_id 1 for calling the RaisesTestsMixin obj's underlying member method code with example usage: obj.test_raises() without return types