Don't allow docstrings of test override the description printed for the test.

Author: Ralf Schlatterbeck

run_tests.py

@@ -184,6 +184,8 @@ def __init__(self, stream, descriptions, verbosity, debug=0,
         self._progressWithNames = 0
         self._count = count
         self._testtimes = {}
+        # docstrings for tests don't override test-descriptions:
+        self.descriptions = False
         if progress and verbosity == 1:
             self.dots = 0
             self._progressWithNames = 1