docs/contributing: explicitly mention some useful options to nosetests

docs/contributing.rst

@@ -61,7 +61,13 b' the tests, thus eliminating the initial '
     kill -9 $(cat test.pid)
 
 You can run individual tests by specifying their path as argument to nosetests.
-nosetests also has many more options, see `nosetests -h`.
+nosetests also has many more options, see `nosetests -h`. Some useful options
+are::
+
+    -x, --stop            Stop running tests after the first error or failure
+    -s, --nocapture       Don't capture stdout (any stdout output will be
+                          printed immediately) [NOSE_NOCAPTURE]
+    --failed              Run the tests that failed in the last test run.
 
 Coding/contribution guidelines
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