Bump pytest-asyncio from 0.16.0 to 0.17.1 (#163)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements_test.txt

@@ -1,6 +1,6 @@
 asynctest==0.13.0
 pytest==6.2.5
-pytest-asyncio==0.16.0
+pytest-asyncio==0.17.1
 pytest-cov==3.0.0
 pytest-mock==3.6.1
 pytest-timeout==2.0.2