Upgrade pytest-sugar to 0.9.3 (#34726)

Author: frenck

requirements_test.txt

@@ -13,7 +13,7 @@ astroid==2.3.3
 pylint-strict-informational==0.1
 pytest-aiohttp==0.3.0
 pytest-cov==2.8.1
-pytest-sugar==0.9.2
+pytest-sugar==0.9.3
 pytest-timeout==1.3.3
 pytest==5.3.5
 requests_mock==1.7.0