code: package io.paradoxical.cassieq.unittests.tests;
  
  import categories.BuildVerification;
  import io.paradoxical.cassieq.environment.SystemPropDiscovery;
  import io.paradoxical.cassieq.environment.SystemProps;
  import org.junit.Test;
  import org.junit.experimental.categories.Category;
  
  import java.util.List;
  
  import static org.assertj.core.api.Assertions.assertThat;
  
  @Category({ BuildVerification.class })
  public class SystemPropTests {
      @Test
      public void env_var_help_command_works() throws Exception {
          final List<SystemPropDiscovery> discover = SystemProps.discover();
  
          assertThat(discover).isNotEmpty();
  
          discover.forEach(System.out::println);
      }
  }
  