update testng version & fix testng tests

vharseko

05.23.2018 2c7bc5dd4d5042b08411afdd6dd4da250191662b

 opendj-server-legacy/src/test/java/org/opends/quicksetup/TestUtilities.java

@@ -103,11 +103,11 @@
    ServerController controller = new ServerController(getInstallation());
    controller.stopServer();
  }

//-Dorg.opends.server.ServerRoot=/Users/vharseko/git/OpenIdentityPlatform/OpenAM/OpenDJ/opendj-server-legacy/target/unit-tests/package-instance -Dorg.opends.quicksetup.Root=/Users/vharseko/git/OpenIdentityPlatform/OpenAM/OpenDJ/opendj-server-legacy/target/package/opendj
  public static File getInstallPackageFile() throws FileNotFoundException {
    File installPackageFile = null;
    String buildRoot = System.getProperty(PROPERTY_BUILD_ROOT);
    File   buildDir  = new File(buildRoot, "build");
    String buildRoot = System.getProperty(PROPERTY_BUILD_ROOT,System.getProperty("user.dir"));
    File   buildDir  = new File(buildRoot, "target");
    File   packageDir = new File(buildDir, "package");
    if (!packageDir.exists()) {
      throw new FileNotFoundException("Package directory " + packageDir +