Fix result status of rerun flaky tests.

tools/testrunner/local/testsuite.py

Index: tools/testrunner/local/testsuite.py
diff --git a/tools/testrunner/local/testsuite.py b/tools/testrunner/local/testsuite.py
index ff51196a563e4b5607c90f0436b0f1fc67dd9bbc..0fd3f3a3000a35ac2c06549b36e7c4cecd907e80 100644
--- a/tools/testrunner/local/testsuite.py
+++ b/tools/testrunner/local/testsuite.py
@@ -190,18 +190,19 @@ class TestSuite(object):
     else:
       return execution_failed
 
-  def HasUnexpectedOutput(self, testcase):
+  def GetOutcome(self, testcase):
     if testcase.output.HasCrashed():
-      outcome = statusfile.CRASH
+      return statusfile.CRASH
     elif testcase.output.HasTimedOut():
-      outcome = statusfile.TIMEOUT
+      return statusfile.TIMEOUT
     elif self.HasFailed(testcase):
-      outcome = statusfile.FAIL
+      return statusfile.FAIL
     else:
-      outcome = statusfile.PASS
-    if not testcase.outcomes:
-      return outcome != statusfile.PASS
-    return not outcome in testcase.outcomes
+      return statusfile.PASS
+
+  def HasUnexpectedOutput(self, testcase):
+    outcome = self.GetOutcome(testcase)
+    return not outcome in (testcase.outcomes or [statusfile.PASS])
 
   def StripOutputForTransmit(self, testcase):
     if not self.HasUnexpectedOutput(testcase):