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strange tests: Ran 0 tests in 0.000s

See original GitHub issue

I’m confused about output message about ran 0 tests. Is there something wrong with output logs?

yuanshuai@firefly:~/code/tvm/tests/python/unittest$ python -m unittest test_runtime_rpc
Loading runtime library /home/yuanshuai/code/tvm/lib/libtvm_runtime.so... exec only

----------------------------------------------------------------------
Ran 0 tests in 0.000s

OK
yuanshuai@firefly:~/code/tvm/tests/python/unittest$ python -m unittest test_runtime_ndarray
Loading runtime library /home/yuanshuai/code/tvm/lib/libtvm_runtime.so... exec only
[12:50:13] src/runtime/opencl/opencl_device_api.cc:194: Initialize OpenCL platform 'ARM Platform'
[12:50:13] src/runtime/opencl/opencl_device_api.cc:214: opencl(0)='Mali-T860' cl_device_id=0x7f84d53dd8
('Testing using contexts:', [cpu(0), opencl(0)])

----------------------------------------------------------------------
Ran 0 tests in 0.000s

OK
yuanshuai@firefly:~/code/tvm/tests/python/unittest$ python -m unittest test_runtime_
test_runtime_extension.py     test_runtime_ndarray.py       test_runtime_packed_func.py   test_runtime_rpc.py           
test_runtime_extension.pyc    test_runtime_ndarray.pyc      test_runtime_packed_func.pyc  test_runtime_rpc.pyc          
yuanshuai@firefly:~/code/tvm/tests/python/unittest$ python -m unittest test_runtime_extension
Loading runtime library /home/yuanshuai/code/tvm/lib/libtvm_runtime.so... exec only

----------------------------------------------------------------------
Ran 0 tests in 0.000s

OK
yuanshuai@firefly:~/code/tvm/tests/python/unittest$ python -m unittest test_runtime_packed_func
Loading runtime library /home/yuanshuai/code/tvm/lib/libtvm_runtime.so... exec only

----------------------------------------------------------------------
Ran 0 tests in 0.000s

OK