title: Issue running failed JUnit tests immediately?
body: <p>I have a set of Selenium WebDriver test that are failing randomly and I want to rerun only those test that fail immediately say try it for 3 times.
  I run the tests on grid with multiple browsers which I guess is causing the issue.
  I followed the solution given here in <a href="https://stackoverflow.com/questions/8295100/how-to-re-run-failed-junit-tests-immediately/8301639#8301639">How to Re-run failed JUnit tests immediately?</a>
  But whenever it tries to run a failed test we get this exception</p>
  
  <p><strong>Error Message</strong></p>
  
  <pre><code>org.openqa.selenium.remote.SessionNotFoundException: Session ID is null
  Build info: version: '2.32.0', revision: '6c40c18', time: '2013-04-09 17:23:22'
  System info: os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.6.0_26'
  Driver info: driver.version: RemoteWebDriver
  Stacktrace
  
  java.lang.RuntimeException: org.openqa.selenium.remote.SessionNotFoundException: Session ID is null
  Build info: version: '2.32.0', revision: '6c40c18', time: '2013-04-09 17:23:22'
  System info: os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.6.0_26'
  Driver info: driver.version: RemoteWebDriver
      at au.com.cgu.harvest.automation.rule.AbstractWebDriverManager.classFinished(AbstractWebDriverManager.java:77)
      at au.com.cgu.harvest.automation.rule.ClassFinishRule.finished(ClassFinishRule.java:48)
      at au.com.cgu.harvest.automation.scenario.RetryTest$1.evaluate(RetryTest.java:41)
      at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
      at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
      at java.util.concurrent.FutureTask.run(FutureTask.java:138)
      at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
      at java.lang.Thread.run(Thread.java:662)
  Caused by: org.openqa.selenium.remote.SessionNotFoundException: Session ID is null
  Build info: version: '2.32.0', revision: '6c40c18', time: '2013-04-09 17:23:22'
  System info: os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.6.0_26'
  Driver info: driver.version: RemoteWebDriver
      at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:273)
      at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:527)
      at org.openqa.selenium.remote.RemoteWebDriver.executeScript(RemoteWebDriver.java:463)
      at au.com.cgu.harvest.automation.rule.AbstractWebDriverManager.classFinished(AbstractWebDriverManager.java:65)
  </code></pre>
  
  <p>`</p>