run-tests: add --noskips option

tests/run-tests.py

@@ -102,6 +102,8 b' def parseargs():'
         help="retest failed tests")
     parser.add_option("-s", "--cover_stdlib", action="store_true",
         help="print a test coverage report inc. standard libraries")
+    parser.add_option("-S", "--noskips", action="store_true",
+        help="don't report skip tests verbosely")
     parser.add_option("-t", "--timeout", type="int",
         help="kill errant tests after TIMEOUT seconds"
              " (default: $%s or %d)" % defaults['timeout'])
@@ -640,6 +642,7 b' def runchildren(options, tests):'
         vlog('pid %d exited, status %d' % (pid, status))
         failures |= status
     print
+    if not options.noskips:
     for s in skips:
         print "Skipped %s: %s" % (s[0], s[1])
     for s in fails: