remove useless code in expand module test (#4903)

oneflow/python/test/modules/test_expand.py

@@ -118,24 +118,6 @@ class TestModule(flow.unittest.TestCase):
 
         test_case.assertTrue(np.array_equal(of_out.numpy(), out_np.astype(np.int32)))
 
-    def test_expand_same_int(test_case):
-        input_shape = (2, 4, 1, 32)
-        expand_dim = [2, 4, 2, 32]
-        input, gout, out_np, gin_np = getExpandGrad(input_shape, expand_dim)
-        of_input = flow.Tensor(input, dtype=flow.int)
-        of_out = of_input.expand(expand_size=expand_dim)
-
-        test_case.assertTrue(np.array_equal(of_out.numpy(), out_np.astype(np.int32)))
-
-    def test_expand_same_int(test_case):
-        input_shape = (2, 4, 1, 32)
-        expand_dim = [2, 4, 2, 32]
-        input, gout, out_np, gin_np = getExpandGrad(input_shape, expand_dim)
-        of_input = flow.Tensor(input, dtype=flow.int)
-        of_out = of_input.expand(expand_size=expand_dim)
-
-        test_case.assertTrue(np.array_equal(of_out.numpy(), out_np.astype(np.int32)))
-
 
 if __name__ == "__main__":
     unittest.main()