assertEquals(debugSampler.getProperty("HeaderManager.headers").getStringValue() ,"[1stLevelTestHeader\ttestValue1, 2ndLevelTestHeader\ttestValue2]");
assertEquals(2, ((CollectionProperty)debugSampler.getProperty("HeaderManager.headers")).size());
headerManager.recoverRunningVersion();
headerManager2.recoverRunningVersion();
debugSampler.recoverRunningVersion();
assertEquals(1, headerManager.size());
assertEquals(1, headerManager2.size());
assertEquals(0, ((CollectionProperty)debugSampler.getProperty("HeaderManager.headers")).size());
assertEquals(new Header("1stLevelTestHeader", "testValue1"), headerManager.get(0));