TEST: Assert is wrong in test_merge_in_place

[sfc-gh-jkew]

modin/modin/tests/pandas/native_df_interoperability/test_compiler_caster.py

Line 673 in b002708

assert type(df) is type(cloud_df)

assert type(df) is type(cloud_df)
should be

assert df.get_backend() == cloud_df.get_backend()
test_information_asymmetry also needs to be updated.