run-tests: regroup nested functions

tests/run-tests.py

@@ -874,6 +874,11 b' def runone(options, test):'
     def ignore(msg):
         result('i', (test, msg))
 
+    def describe(ret):
+        if ret < 0:
+            return 'killed by signal %d' % -ret
+        return 'returned error code %d' % ret
+
     if not os.path.exists(test):
             skip("doesn't exist")
             return None
@@ -967,11 +972,6 b' def runone(options, test):'
             f.write(line)
         f.close()
 
-    def describe(ret):
-        if ret < 0:
-            return 'killed by signal %d' % -ret
-        return 'returned error code %d' % ret
-
     if skipped:
         mark = 's'
         if out is None:                 # debug mode: nothing to parse