@Test (timeout = 20000)
public void errorInGetSystemInfo() {

  WindowsResourceCalculatorPluginTester tester = new WindowsResourceCalculatorPluginTester();
  // info str derived from windows shell command has \r\n termination
  tester.infoStr = null;
  // call a method to refresh values
  tester.getAvailablePhysicalMemorySize();    
}