#fixed code
                              @Test
  public void whenWlsServerNotInCluster_serverStartupInfoHasNoClusterConfig() {
    configureServer("wls1");
    addWlsServer("wls1");

    invokeStep();

    assertThat(getServerStartupInfo("wls1").getClusterName(), nullValue());
  }
#vulnerable code 
                              @Test
  public void whenWlsServerNotInCluster_serverStartupInfoHasNoClusterConfig() {
    configureServer("ms1");
    addWlsServer("ms1");

    invokeStep();

    assertThat(getServerStartupInfo("ms1").getClusterName(), nullValue());
  } 
                            #location 8 
                            #vulnerability type NULL_DEREFERENCE