[Findit] Capture versionized metadata for master_flake_analysis

appengine/findit/model/flake/test/master_flake_analysis_test.py

Index: appengine/findit/model/flake/test/master_flake_analysis_test.py
diff --git a/appengine/findit/model/flake/test/master_flake_analysis_test.py b/appengine/findit/model/flake/test/master_flake_analysis_test.py
index 28574142f33e9f0541b550a264d8bd196fe9e502..70e71ced4228985b1bdae12f55eef37ab0563f33 100644
--- a/appengine/findit/model/flake/test/master_flake_analysis_test.py
+++ b/appengine/findit/model/flake/test/master_flake_analysis_test.py
@@ -84,3 +84,21 @@ class MasterFlakeAnalysisTest(unittest.TestCase):
     analysis = MasterFlakeAnalysis.Create('m', 'b', 123, 's', 't')
     self.assertEqual('s', analysis.step_name)
     self.assertEqual('t', analysis.test_name)
+
+  def testReset(self):
+    analysis = MasterFlakeAnalysis.Create('m', 'b', 123, 's', 't')
+    analysis.swarming_rerun_results = {'a': 1}
+    analysis.status = analysis_status.RUNNING
+    analysis.correct = None
+    analysis.build_numbers = [1, 2, 3]
+    analysis.pass_rates = [1.0, 1.0, 1.0]
+    analysis.suspected_flake_build_number = 123
+    analysis.Reset()
+
+    self.assertEqual({}, analysis.swarming_rerun_results)
+    self.assertEqual(analysis_status.PENDING, analysis.status)
+    self.assertIsNone(analysis.correct)
+    self.assertIsNone(analysis.completed_time)
+    self.assertIsNone(analysis.suspected_flake_build_number)
+    self.assertEqual([], analysis.build_numbers)
+    self.assertEqual([], analysis.pass_rates)