Do not run tests that require internet connection at build time
test_universal_http.py and test_pipeline.py do a test GET to bing.com which is not allowed when building the package. Skip them.
Closes: #942101
============================= test session starts ============================== platform linux -- Python 3.7.5, pytest-4.6.6, py-1.8.0, pluggy-0.13.0 rootdir: /build/python-msrest-0.6.1, inifile: setup.cfg collected 159 items
tests/test_auth.py ...... [ 3%] tests/test_client.py .......... [ 10%] tests/test_exceptions.py .. [ 11%] tests/test_paging.py ..... [ 14%] tests/test_pipeline.py ..... [ 17%] tests/test_polling.py .... [ 20%] tests/test_requests_universal.py .... [ 22%] tests/test_runtime.py ............... [ 32%] tests/test_serialization.py ............................................ [ 59%] ...................... [ 73%] tests/test_universal_pipeline.py ... [ 75%] tests/test_xml_serialization.py ............................ [ 93%] tests/asynctests/test_async_client.py ss [ 94%] tests/asynctests/test_async_paging.py sssss [ 97%] tests/asynctests/test_polling.py ssss [100%]