code: def test_overlapping_keys(self):
      c1 = combinations.combine(
          mode=["graph"], loss=["callable", "tensor"]
      )
      c2 = combinations.combine(mode=["eager"], loss=["callable"])
      with self.assertRaisesRegex(ValueError, ".*Keys.+overlap.+"):
          _ = combinations.times(c1, c2)
  
file_path: tensorflow-upstream/tensorflow/python/framework/test_combinations_test.py
imports: from collections import OrderedDict
  from absl.testing import parameterized
  from tensorflow.python.framework import test_combinations
  from tensorflow.python.eager import test
label_desc: Use image node_id 7 for calling the TestingCombinationsTest obj's underlying member method code with example usage: obj.test_overlapping_keys() without return types