Op info test for diag_embed

[qihqi]

Fix the Op info test for diag_embed

1. Find the line 44 of test_ops.py and remove
   diag_embed from skip_list
2. Run op_info test with pytest test/test_ops.py
3. Fix the failure.

Please refer to
this guide as guide to fix:

Also refer to these PRs:

• Add bitwise_left_shift, bitwise_right_shift #7343
• Add support for baddbmm, bincount #7312
• Add support for trig, binary, algebraic ops #7325

[ManfeiBai]

hi, cc @tqfan28, this github issue would be one of the second issue to try, please feel free to reply this issue, so that we could assign this issue to you

[ManfeiBai]

hi, @tqfan28, this op passed test in #8036, will close this ticket for now

please feel free to try other op like this: #7518