@After
 public void reset() {
   OperaIntervals.HANDSHAKE_TIMEOUT.setValue(DEFAULT_HANDSHAKE_TIMEOUT);
   environment.unset(OperaBinary.OPERA_PATH_ENV_VAR);
 }
 @Before
 public void setup() throws IOException {
   OperaIntervals.HANDSHAKE_TIMEOUT.setValue(new Duration(2, TimeUnit.SECONDS));
   profileDirectory = new TemporaryFolder().newFolder();
   capabilities.setCapability(PROFILE.getCapability(), profileDirectory.getPath());
 }