simplify testing instructions

README.rst

@@ -106,13 +106,7 @@ For speedier testing, we recommend you run `pytest`_ directly on individual test
 .. code-block:: bash
 
     cd test/mitmproxy/addons
-    pytest --cov mitmproxy.addons.anticache --looponfail test_anticache.py
-    
-To generate terminal report along with missing line numbers of individual test files or folders:
-
-.. code-block:: bash
-
-    pytest --cov-report term-missing --cov mitmproxy.flowfilter --looponfail test_flowfilter.py
+    pytest --cov mitmproxy.addons.anticache --cov-report term-missing --looponfail test_anticache.py
 
 As pytest does not check the code style, you probably want to run ``tox -e lint`` before committing your changes.