Fix number of times failures are rerun.

tools/testrunner/local/execution.py

Index: tools/testrunner/local/execution.py
diff --git a/tools/testrunner/local/execution.py b/tools/testrunner/local/execution.py
index a339eeb85d905402607a7e50f2795f192a91ba3f..a6dce636e1182b86c4952ee284c367b026aa3d17 100644
--- a/tools/testrunner/local/execution.py
+++ b/tools/testrunner/local/execution.py
@@ -104,9 +104,9 @@ class Runner(object):
     return Job(command, dep_command, test.id, timeout, self.context.verbose)
 
   def _MaybeRerun(self, pool, test):
-    if test.run <= self.context.rerun_failures_count + 1:
+    if test.run <= self.context.rerun_failures_count:
       # Possibly rerun this test if its run count is below the maximum per
-      # test. +1 as the flag controls reruns not including the first run.
+      # test. <= as the flag controls reruns not including the first run.
       if test.run == 1:
         # Count the overall number of reran tests on the first rerun.
         if self.reran_tests < self.context.rerun_failures_max: