tests: remove accidentally pushed scope reduction

miri64 · miri64 · commit d1f08e48f322 · 2021-01-22T12:07:39.000+01:00
diff --git a/setup.cfg b/setup.cfg
@@ -3,7 +3,6 @@ addopts = -v --junit-xml=test-report.xml
           --doctest-modules
           --cov=riotctrl --cov-branch
           --cov-report=term --cov-report=xml --cov-report=html
-          -k shell_json_test
 testpaths = riotctrl
 markers =
     rapidjson
